Updated April 2026

Phoenix Airport Security Wait Times & PHX Queue Guide 2026

Phoenix Sky Harbor International Airport (PHX/KPHX) security wait times by checkpoint and time of day. Queue estimates for Terminal 3 and Terminal 4, TSA PreCheck, CLEAR and PHX Reserve pricing, CT scanner status, peak hours and the quietest windows at Arizona’s busiest airport, which handled 52 million passengers in 2024.

2
Terminals
52M
Passengers (2024)
$78
TSA PreCheck (5yr)
CT
Scanners (Active)

Phoenix Airport Security Wait Times Today

The Phoenix Airport security wait time estimates below show the typical PHX queue at each active checkpoint for this hour and day of week. Phoenix Sky Harbor International Airport (PHX/KPHX) is the 11th busiest airport in the United States by passenger volume and the primary hub for American Airlines, with Southwest Airlines operating one of its largest domestic bases here alongside a growing international network. Security wait times vary by terminal, checkpoint, time of day, and season. March is consistently the peak month at PHX, driven by spring break travel and the Cactus League MLB Spring Training season across the greater Phoenix area, which channels a high volume of leisure travellers through both terminals.

Terminal 3 · Typical now
10
minutes · standard lane
Based on PHX historical patterns · updated
Terminal 4, Checkpoint A · Typical now
13
minutes · standard lane
Based on PHX historical patterns · updated
Terminal 4, Checkpoint C · Typical now
16
minutes · standard lane
Based on PHX historical patterns · updated
💡
How these Phoenix Airport security wait time estimates work. Phoenix Sky Harbor publishes a real-time wait time dashboard on the homepage of skyharbor.com showing live checkpoint data updated continuously. The estimates above are pattern-based calculations from documented PHX peak periods and day-of-week variance. Actual queues vary by checkpoint, staffing levels and season. For current conditions use the official Sky Harbor dashboard or the MyTSA app. Use the PHX arrival time calculator below for your specific flight.

How Long Is Security at Phoenix Airport?

Security wait times at Phoenix Sky Harbor depend on which terminal and checkpoint you use and what time you arrive. Terminal 3, which serves Delta, United, Alaska, JetBlue, Spirit, Hawaiian and Frontier, has a single checkpoint and generally moves faster than Terminal 4 because it handles lower overall passenger volume. During quiet midweek windows from 10:00 to 14:00, most passengers at either terminal clear security in 10 to 18 minutes in the standard lane.

Terminal 4 is where pressure concentrates at PHX. American Airlines operates its largest hub here, and Southwest Airlines runs one of its biggest domestic bases from the same terminal. Both carriers schedule large early morning departure banks, producing the most significant security queues of the day between 05:00 and 08:00. During spring break 2026, Terminal 4 Checkpoint A recorded a 30-minute standard lane wait at 08:00, normalising to under 10 minutes by late morning once the departure wave cleared. During the afternoon peak from 16:00 to 19:00, waits of 20 to 35 minutes are common in Terminal 4’s standard lanes.

TSA PreCheck members at PHX typically clear the dedicated PreCheck lane in under 10 minutes at either terminal during most hours. In February 2026, Phoenix Sky Harbor became one of the first US airports to launch TSA PreCheck Touchless ID, a facial recognition system that allows enrolled PreCheck holders to pass through without showing any physical identification. CLEAR, available at both terminals, handles the identity verification step biometrically, letting passengers skip the document check queue entirely. Combining CLEAR with PreCheck gives the fastest possible experience at PHX, with CLEAR covering identity verification and PreCheck covering the physical screening.

Phoenix also offers PHX Reserve, a free time slot booking system unique to Sky Harbor. Passengers can reserve a specific security appointment window through skyharbor.com up to six days in advance, then scan a QR code at the checkpoint to access the reserved lane. PHX Reserve is available at the Terminal 3 checkpoint around the clock and at Terminal 4 Checkpoint D during operating hours. It is a meaningful alternative to paid programs for passengers who plan ahead.

🚧
Terminal 4 checkpoint update for 2026: Checkpoints B and D in Terminal 4 are currently closed. All Terminal 4 passengers should use Checkpoint A or Checkpoint C for security screening. Once through either checkpoint, all Terminal 4 concourses (A through D) are connected airside and there is no need to re-clear security. PHX Reserve at Terminal 4 is currently available at Checkpoint D when that checkpoint is operating during its scheduled hours; confirm availability on skyharbor.com before travel.

Phoenix Airport Security History and Recent Changes

Phoenix Sky Harbor holds a notable place in US aviation security history as the first airport in the country to receive CT scanner technology. The initial deployment took place in 2017, well ahead of the national rollout that followed at other major airports. CT scanners create a 3D image of carry-on bag contents, allowing TSA officers to inspect luggage without requiring passengers to remove laptops at equipped lanes. The result is a faster lane throughput that benefits all passengers, not just those in priority programs.

Despite CT scanning being fully operational across PHX checkpoints, the TSA 3-1-1 liquid rule remains in force at all Phoenix checkpoints as of April 2026. Each liquid container must be 3.4 ounces or 100ml or less, and all containers must fit inside a single clear quart-sized resealable bag placed in a bin for screening. TSA PreCheck members are the main exception, as the PreCheck program permits liquids and laptops to remain in the bag during screening regardless of scanner type.

February 2026 brought two further updates at PHX. On 1 February, TSA ConfirmID launched nationally, allowing passengers who do not have an acceptable form of identification to verify their identity using a fee-based alternative at security checkpoints. On 13 February, TSA PreCheck Touchless ID launched at Terminal 3 before expanding to Terminal 4, enabling PreCheck members to clear the identity check step using only facial recognition with no document presentation required.

Looking ahead, planning for a new terminal on the western end of the airport property is primarily taking place in 2026, with construction expected to begin in 2029 and the facility targeted to open by 2033. The project carries an estimated price tag of $4 billion and will trigger a significant reshuffling of airlines across terminals when it opens. No operational disruption to current security checkpoints is expected during the planning phase.

Phoenix Airport Security Wait Times by Checkpoint

Phoenix Sky Harbor operates two active terminals, each with its own security checkpoint configuration. Your terminal is determined by your airline. Terminal 3 has a single checkpoint; Terminal 4 has four checkpoints labelled A through D, of which A and C are currently active in 2026. Terminal 4 passengers can use either active checkpoint regardless of their departure concourse, since all four concourses are connected airside after security. Choosing the checkpoint with the shorter posted wait time on skyharbor.com is a straightforward way to reduce your queue without changing your gate.

Terminal 3 Security (John McCain Terminal)

T3
Terminal 3 Security
John McCain Terminal · E and F gates · Single checkpoint on Level 4 · CLEAR and TSA PreCheck available

8 to 16 minutes off-peak on weekdays. During the 05:00 to 08:00 morning peak, expect 18 to 30 minutes in the standard lane. Holiday and Spring Training travel periods push this higher. Terminal 3 is consistently shorter than Terminal 4 at equivalent times of day.

✓ CT scanners (deployed since 2017)✓ Laptops stay in bag (CT lanes)✓ TSA PreCheck lanes (05:00 to 14:00)✓ TSA PreCheck Touchless ID (Feb 2026)✓ CLEAR available✓ PHX Reserve (24 hours)✔ 3-1-1 liquid rule still applies
Delta Air LinesUnited AirlinesAlaska AirlinesJetBlue AirwaysSpirit AirlinesHawaiian AirlinesFrontier Airlines

Terminal 3 underwent a complete renovation completed in January 2020 and was renamed in honour of Senator John McCain by the Phoenix City Council in January 2021. The terminal is the smaller of the two active terminals at PHX and serves carriers other than American Airlines and Southwest. Its single security checkpoint sits on Level 4, the departures level. After clearing security, passengers access E gates (E1 to E10) and F gates (F1 to F15) within the terminal. A Delta Sky Club is located near gate F8 and a United Club is near gate E3. The PHX Sky Train station on the west side of Terminal 3 connects to Terminal 4, the rental car centre and the 44th Street Valley Metro Rail station, with a journey of two to four minutes. CLEAR is available at the Terminal 3 checkpoint, and PHX Reserve operates at Terminal 3 around the clock, making it the most flexible location for the free time slot booking system.

Terminal 4 Security (Barry M. Goldwater Terminal)

T4A
Terminal 4, Checkpoint A
Barry M. Goldwater Terminal · Serves A and B gate concourses primarily · American Airlines hub · TSA PreCheck and CLEAR available

10 to 20 minutes off-peak on weekdays. During the 05:00 to 08:00 morning peak, waits of 25 to 40 minutes are common in the standard lane. During spring break 2026, Checkpoint A recorded a 30-minute wait at 08:00, normalising to under 10 minutes by 11:30. Afternoon peak 16:00 to 19:00 adds a second pressure point.

✓ CT scanners (deployed)✓ Laptops stay in bag (CT lanes)✓ TSA PreCheck lanes (05:00 to 19:00)✓ TSA PreCheck Touchless ID available✓ CLEAR available✔ 3-1-1 liquid rule still applies
American Airlines (primary hub)Southwest AirlinesBritish AirwaysAir CanadaWestJetAeromexicoCondorVolaris

Terminal 4 is the largest and busiest terminal at Phoenix Sky Harbor and serves as the primary hub for American Airlines, which operates the largest number of daily departures at PHX. Southwest Airlines runs one of its biggest domestic bases from the same terminal. Terminal 4 also handles the great majority of international departures and arrivals, including transatlantic service to London Heathrow on British Airways and routes to Canada, Mexico and Germany. The terminal’s four concourses (A through D) are all connected airside after any active checkpoint. In 2026, Checkpoints B and D are closed; use Checkpoint A (serving A and B gate concourse passengers most directly) or Checkpoint C. TSA PreCheck lanes operate from 05:00 to 19:00 at all active Terminal 4 checkpoints. Three American Airlines Admirals Clubs operate within Terminal 4, along with the Amex Centurion Lounge and the Chase Sapphire Lounge near gate B22. The PHX Sky Train station in Terminal 4 is located near Checkpoints C and D at the eastern end of the terminal, connecting to Terminal 3, the rental car centre and Valley Metro Rail.

T4C
Terminal 4, Checkpoint C
Barry M. Goldwater Terminal · Serves C and D gate concourses primarily · Southwest Airlines and Sky Train access · TSA PreCheck and CLEAR available

12 to 22 minutes off-peak on weekdays. Checkpoint C is adjacent to the PHX Sky Train station inside Terminal 4 and is the most convenient entry point for passengers arriving by rail or from the rental car centre. It serves the C and D gate concourses most directly but all Terminal 4 concourses are connected airside. Peak waits mirror Checkpoint A: 25 to 40 minutes during 05:00 to 08:00.

✓ CT scanners (deployed)✓ Laptops stay in bag (CT lanes)✓ TSA PreCheck lanes (05:00 to 19:00)✓ TSA PreCheck Touchless ID available✓ CLEAR available✓ PHX Reserve (Checkpoint D adjacent, check skyharbor.com)✔ 3-1-1 liquid rule still applies

Checkpoint C operates from 03:15 to 00:30 and is the longest-running checkpoint in Terminal 4, making it the most reliable option for very early morning departures before Checkpoint A opens. Its location near the Sky Train station makes it the natural checkpoint for passengers arriving via the 44th Street Valley Metro Rail link or from the East Economy parking garages by train. After clearing Checkpoint C, passengers can walk airside to any Terminal 4 concourse without re-screening. The Escape Lounge, accessible via Priority Pass, is located in Terminal 4 near the Checkpoint C area. International arrivals process through the Federal Inspection Station in Terminal 4 before exiting to baggage claim and ground transport on Level 1.

💡
Liquid and laptop rules at Phoenix Airport security (April 2026): CT scanners have been operational at PHX since 2017 and allow laptops to remain in your carry-on bag on equipped lanes. The TSA 3-1-1 liquid rule still applies at all Phoenix checkpoints regardless of scanner type: each liquid container must be 3.4 ounces or 100ml or less, and all containers must fit inside a single clear quart-sized resealable bag placed in a bin for screening. TSA PreCheck members are the main exception: PreCheck allows liquids and laptops to remain in the bag during screening. Pack liquids in checked baggage where possible to remove this variable from your security experience entirely.

Phoenix Airport Security Peak Hours and Best Times to Fly

The two main busy windows for Phoenix Airport security are 05:00 to 08:00 (the American Airlines and Southwest Airlines early morning departure banks from Terminal 4, combined with Delta and United departures from Terminal 3) and 16:00 to 19:00 (the afternoon departure surge across both terminals). Fridays and Sundays are the most congested single days at PHX. March is the peak month overall, driven by spring break travel and the Cactus League MLB Spring Training season across Scottsdale, Tempe, Mesa and the broader Phoenix metro area, which significantly increases leisure passenger volume through both terminals.

Holiday travel periods including Thanksgiving week, Christmas and New Year, and Memorial Day weekend all push wait times above average across both terminals. The quietest windows at Sky Harbor are 10:00 to 14:00 on weekdays and after 21:00 on any day. A Tuesday or Wednesday midday departure during a non-holiday period and outside of the February to March Spring Training window is the most relaxed combination at PHX in the standard lane.

Time of DayTypical PHX Security Wait (Terminal 4)Status
00:00 to 03:00Under 10 minQuiet
03:00 to 05:0010 to 16 min (T4 opens 03:15)Moderate
05:00 to 08:0025 to 40 min (longer in March)Peak
08:00 to 10:0018 to 28 minBusy
10:00 to 14:0010 to 18 minQuiet
14:00 to 16:0015 to 22 minModerate
16:00 to 19:0020 to 35 minBusy
19:00 to 21:0012 to 20 minModerate
21:00 to 00:008 to 14 minQuiet
📅 Quietest Days at PHX
Tuesdays and Wednesdays carry the lightest queues at Phoenix Sky Harbor. Midday on either of these days outside of Spring Training season and holiday periods is the most relaxed time in the standard lane at both terminals.
📅 Busiest Days at PHX
Fridays and Sundays are the most congested at PHX. Sunday return travel produces heavy queues in Terminal 4 particularly, where Southwest and American both run high departure frequencies. Any Sunday during March is especially busy.
⚽️ Spring Training Season
February and March bring elevated passenger volumes through both terminals due to MLB Cactus League Spring Training in Scottsdale and surrounding cities. Plan on adding 20 to 30 minutes to typical wait estimates during these months, particularly on weekends.
✈️ Live Wait Dashboard
Sky Harbor publishes a live security wait time dashboard on the homepage of skyharbor.com showing current estimates at all active checkpoints in both terminals. PHX Reserve on the same site lets you book a free time slot to skip the general lane queue.

Phoenix Airport Priority Security Options: TSA PreCheck, CLEAR and PHX Reserve

Unlike European airports that sell per-trip fast track passes, priority security at Phoenix Sky Harbor runs through TSA-managed programs and an airport-specific free booking system. There is no separately managed airline priority security lane at PHX. Business class and first class ticket holders who are not enrolled in TSA PreCheck or CLEAR queue in the standard lane regardless of cabin class.

✅ TSA PreCheck
$78 for a five-year membership via tsaprecheck.com. Gives access to dedicated PreCheck lanes at both terminals. In the PreCheck lane you keep on shoes, belt and light jacket, and leave laptops and 3-1-1 liquids in your bag. PreCheck Touchless ID, launched at PHX in February 2026, lets enrolled members pass without showing any physical ID. Available at Terminal 3 from 05:00 to 14:00 and at Terminal 4 checkpoints from 05:00 to 19:00.
✅ CLEAR
$189 per year with discounts available through select credit card benefits. CLEAR uses fingerprint and facial biometrics to verify your identity at a kiosk, letting you skip the document check queue and proceed directly to physical screening. Available at both Terminal 3 and Terminal 4. TSA PreCheck enrollment through CLEAR is also available at the Terminal 3 checkpoint daily from 06:00 to 19:00 and at Terminal 4 Checkpoint B on selected days.
✓ PHX Reserve (Free)
A free time slot booking system unique to Phoenix Sky Harbor. No account or membership required. Reserve a specific security window at skyharbor.com up to six days in advance or via QR codes inside the terminal. Available at Terminal 3 around the clock and at Terminal 4 Checkpoint D during operating hours. Scan your QR code at the kiosk to access the reserved lane. A useful option for passengers who plan ahead and do not hold PreCheck or CLEAR.
🌎 Global Entry
$100 for five years and includes TSA PreCheck at no extra cost. Strongly recommended for frequent international travellers through PHX. A Global Entry enrollment centre is located in Terminal 4 near Checkpoint B, available Monday to Friday from 08:00. Global Entry kiosks are in the international arrivals Federal Inspection Station at Terminal 4 and allow pre-approved travellers to clear customs without queuing for an officer.
TSA PreCheck is the single most effective investment for regular PHX travellers. At $78 for five years, that is $15.60 per year. During the 05:00 to 08:00 morning peak at Terminal 4, standard lane waits of 25 to 40 minutes are common. The PreCheck lane at the same time typically clears in under 10 minutes. For anyone passing through Phoenix Sky Harbor more than a few times a year, enrollment pays for itself quickly. PHX Reserve is a strong free alternative for occasional travellers who plan ahead.

Recommended Arrival Times at Phoenix Sky Harbor Airport

The standard guidance from Phoenix Sky Harbor and TSA is to arrive at least 2 hours before domestic departures and 3 hours before international departures. At PHX, the 2-hour domestic guideline assumes a normal security wait plus time for check-in or bag drop and the walk or Sky Train ride to your gate. Terminal 4 passengers should factor in the concourse walk after security, since A through D concourses span a significant distance. During spring break, Spring Training season and major holiday travel periods, add 30 to 45 minutes to both recommendations.

✈️ Domestic Flights
Arrive 2 hours before departure. Allow extra time for bag drop at Terminal 4 during morning peaks, when American and Southwest bag drop queues can back up. Add 30 minutes during holiday and Spring Training periods. Check-in via mobile boarding pass and self-service bag drop where possible to reduce landside time.
🌎 International Flights (Terminal 4)
Arrive 3 hours before departure. International departures at PHX leave from Terminal 4. Allow time for check-in, security, any passport-related processing and the walk to your gate in the international concourses. International arrivals clear customs through the Federal Inspection Station in Terminal 4 before proceeding to baggage claim on Level 1.
🗒️ With TSA PreCheck or CLEAR
PreCheck or CLEAR members can trim the domestic arrival recommendation to 90 minutes during off-peak periods. During spring break, Spring Training season and holiday travel, still allow at least 2 hours even with PreCheck, as gate walk and bag drop times are not affected by program membership.
⏳ Sky Train and Gate Walk
The PHX Sky Train between terminals takes two to four minutes. Within Terminal 4, concourse walks from the checkpoint to the gate can add 10 to 15 minutes depending on your gate letter. Concourse A at the east end is the furthest from Checkpoint C. Check your boarding pass for gate assignment and factor the full walk into your total time.

When Should I Leave for Phoenix Airport? Calculator

Enter your flight details below to get a recommended terminal arrival time at Phoenix Sky Harbor. The calculator factors in the typical PHX security wait at your departure hour, gate walk time, bag drop time and a safety buffer.

Be inside the terminal by
10:45
Example for a 13:00 Terminal 3 departure. Adjust the fields above for your flight.

Tips to Beat Phoenix Airport Security Queues

A few practical steps can meaningfully reduce your time in the PHX security queue regardless of which terminal you are using.

Phoenix Airport Layout and Terminal Overview

Phoenix Sky Harbor International Airport (PHX/KPHX), nicknamed America’s Friendliest Airport, is Arizona’s largest airport and the 11th busiest in the United States by passenger volume. It handled 52 million passengers in 2024 and is the primary hub for American Airlines, which accounts for the largest share of daily departures. The airport is located approximately 3 miles southeast of downtown Phoenix and is accessible via the Valley Metro Rail light rail from the 44th Street and Washington Sky Train station, which connects by free Sky Train directly to both terminals.

PHX operates two active terminals connected by the free, automated PHX Sky Train people mover, which runs 24 hours a day with a journey time of two to four minutes between terminals. Terminal 3, the John McCain Terminal, is the smaller facility and serves Delta, United, Alaska, JetBlue, Spirit, Hawaiian and Frontier from E and F gate concourses. Terminal 4, the Barry M. Goldwater Terminal, is the largest and busiest facility, serving as the American Airlines hub and Southwest Airlines base alongside the majority of international departures. Terminal 4 has four concourses (A through D) that are all connected airside. International arrivals from all airlines process through the Federal Inspection Station in Terminal 4 before reaching baggage claim. For the complete layout of both terminals, concourses, gate numbering and Sky Train routing, see our Phoenix Airport map and terminal guide.

Phoenix Airport Security: FAQ

How long is security at Phoenix Airport in 2026?

Security wait times at Phoenix Sky Harbor typically range from 5 to 20 minutes during normal off-peak periods. Terminal 3 moves faster than Terminal 4 in most conditions. During the morning peak from 05:00 to 08:00 and the afternoon peak from 16:00 to 19:00, waits of 25 to 40 minutes are common in the Terminal 4 standard lane. Spring break and Spring Training season in February and March push all checkpoints above typical levels. TSA PreCheck and CLEAR members typically clear in under 10 minutes at either terminal. PHX Reserve, the free time slot booking system, lets passengers skip the general queue lane at no cost. Live wait times are available on the skyharbor.com homepage.

What is PHX Reserve and how does it work at Phoenix Airport?

PHX Reserve is a free, no-account-required time slot booking system unique to Phoenix Sky Harbor. It lets passengers reserve a specific security appointment window through skyharbor.com, then scan a QR code at the checkpoint to access the reserved lane and skip the general queue. Reservations can be made up to six days in advance and are available from 240 to 60 minutes before departure. PHX Reserve is available at the Terminal 3 checkpoint around the clock and at Terminal 4 Checkpoint D during its operating hours. TSA PreCheck and CLEAR members can also use PHX Reserve but must follow standard screening procedures in the reserved lane rather than using their dedicated program lanes. Confirm availability for your terminal and departure time at skyharbor.com before travel.

What are TSA PreCheck and CLEAR at Phoenix Airport and how do they work?

TSA PreCheck costs $78 for a five-year membership and gives access to dedicated express lanes at both PHX terminals where you keep on shoes, belt and light jacket and leave laptops and liquids in your bag. In February 2026, PHX launched TSA PreCheck Touchless ID, allowing PreCheck holders to pass through using only facial recognition with no physical ID required. CLEAR costs $189 per year and uses biometric verification to confirm your identity at a kiosk, sending you directly to physical screening without queuing for a document check. Both programs are available at Terminal 3 and Terminal 4. Combining CLEAR and PreCheck gives the fastest possible experience: CLEAR handles identity verification and PreCheck handles the screening itself. Global Entry at $100 for five years includes TSA PreCheck at no extra cost and adds expedited customs processing at the Terminal 4 Federal Inspection Station on international arrivals.

When is Phoenix Airport security busiest?

The busiest windows at PHX are the early morning peak from 05:00 to 08:00 and the afternoon peak from 16:00 to 19:00. Fridays and Sundays are the most congested single days. March is the peak month overall, driven by spring break and Cactus League MLB Spring Training in the greater Phoenix area. Thanksgiving week, Christmas and New Year travel, and Memorial Day weekend all generate queues well above typical levels. The quietest windows are 10:00 to 14:00 on weekdays and after 21:00 on any day. Tuesdays and Wednesdays during midday outside of Spring Training and holiday periods are the most relaxed combination at PHX in the standard lane.

What time should I arrive at Phoenix Airport?

Arrive at least 2 hours before domestic flights and 3 hours before international flights. Terminal 4 is large and the gate walk from security to the far end of Concourse A or D can add 10 to 15 minutes beyond security time. During spring break, Spring Training season and holiday travel periods, add 30 to 45 minutes to both recommendations. TSA PreCheck and CLEAR members can reduce the domestic recommendation to 90 minutes during off-peak periods, though gate walk times are unaffected by security program membership. Check the live wait dashboard at skyharbor.com before leaving for the airport.

Are CT scanners in use at Phoenix Airport?

Yes. Phoenix Sky Harbor was the first airport in the United States to receive CT scanner technology, with the initial deployment in 2017. CT scanners create a 3D image of bag contents and allow passengers to leave laptops in their carry-on at equipped lanes. The TSA 3-1-1 liquid rule still applies at all PHX checkpoints regardless of scanner type: containers must be 3.4 ounces or 100ml or less and all must fit in a single clear quart-sized resealable bag. TSA PreCheck members are the main exception, as PreCheck permits liquids and laptops to remain in the bag during screening. Follow TSA officer instructions at the checkpoint as requirements vary by lane.

Does Phoenix Airport have a live security wait time tool?

Yes. Phoenix Sky Harbor publishes live security wait times on the homepage of skyharbor.com, showing current estimates at all active checkpoints in both terminals, updated continuously. Terminal 4 passengers can use any active checkpoint regardless of departure concourse, so comparing wait times before joining a queue is straightforward. The MyTSA mobile app also aggregates passenger-reported wait times for PHX. PHX Reserve, available through skyharbor.com, is an additional tool that removes the need to estimate queue times by letting passengers book a specific security window in advance at no cost.

What is the difference between Terminal 3 and Terminal 4 at Phoenix Airport?

Terminal 3, the John McCain Terminal, is the smaller facility at PHX and serves Delta, United, Alaska, JetBlue, Spirit, Hawaiian and Frontier from E and F gate concourses. It has a single security checkpoint on Level 4. Terminal 4, the Barry M. Goldwater Terminal, is the largest and busiest terminal, serving as the hub for American Airlines and a major base for Southwest Airlines, along with the majority of international departures including British Airways, Air Canada, WestJet and Aeromexico. Terminal 4 normally has four checkpoints (A through D); in 2026 Checkpoints B and D are closed and all Terminal 4 passengers use Checkpoint A or C. Once through either active checkpoint, all Terminal 4 concourses are connected airside. The free PHX Sky Train connects the two terminals with a journey of two to four minutes and runs 24 hours a day.

Written & verified by

Independent airport guide. Not affiliated with the City of Phoenix Aviation Department, TSA, American Airlines, Southwest Airlines, Delta Air Lines or any carrier. Wait time estimates on this page are calculated from documented PHX peak periods, day-of-week variance and historical checkpoint patterns. For real-time conditions at the checkpoint, use the official Sky Harbor dashboard at skyharbor.com or the MyTSA app.

Published: 11 February 2026 Updated: 25 April 2026