Airports › Phoenix (PHX) › May 2026
Airport month · May 2026
Phoenix Sky Harbor International in May 2026
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In May 2026, reporting carriers scheduled 17,337 domestic departures from Phoenix Sky Harbor International (PHX). 74.5% left less than 15 minutes late and 76.6% reached their destination on time; 0.3% were cancelled.
Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so PHX departures were 2.6 points below the national departure figure.
A year earlier, in May 2025, the airport had 17,223 departures with 78.8% leaving on time: a change of −4.3 points, with flights up 1%.
Flights arriving at PHX that month were on time 79.7% of the time (17,335 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 36% and national aviation system 17%.
- On time 76.6%
- Arrived 15+ minutes late 22.9%
- Cancelled 0.3%
- Diverted 0.3%
May 2026 against a year earlier, the airport's year and the nation
| Measure | May 2026 | May 2025 | PHX, 12 months to Jul 2026 | All reported flights, May 2026 |
|---|---|---|---|---|
| Departed on time | 74.5% | 78.8% | 76.1% | 77.1% |
| Arrived on time | 76.6% | 79.0% | 77.4% | 77.6% |
| Cancelled | 0.3% | 0.4% | 0.9% | 0.9% |
| Average departure delay (late minutes only) | 15.9 min | 13.7 min | 15.8 min | 16.0 min |
| Scheduled departures a day | 578 | 574 | 542 | 20,391 |
| Scheduled departures | 17,337 | 17,223 | 197,642 | 611,735 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 6,070 | 35% | 67.2% | 12.1 min | 0.2% |
| AA American Airlines | 4,830 | 28% | 80.1% | 5.1 min | 0.5% |
| OO SkyWest Airlines | 2,656 | 15% | 82.3% | 4.7 min | 0.1% |
| MQ Envoy Air | 942 | 5% | 81.6% | 1.9 min | 0.0% |
| DL Delta Air Lines | 910 | 5% | 87.3% | -3.2 min | 0.8% |
| UA United Airlines | 800 | 5% | 78.9% | 4.4 min | 0.3% |
| F9 Frontier Airlines | 561 | 3% | 77.5% | 10.1 min | 0.4% |
| AS Alaska Airlines | 467 | 3% | 92.1% | -6.6 min | 0.4% |
| B6 JetBlue Airways | 77 | 0% | 81.8% | 0.4 min | 0.0% |
| G4 Allegiant Air | 24 | 0% | 66.7% | 11.1 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| PHX–DEN | Phoenix to Denver | 768 | 75.9% | 9.1 min | 0.4% |
| PHX–LAX | Phoenix to Los Angeles | 641 | 83.2% | 2.4 min | 0.0% |
| PHX–SEA | Phoenix to Seattle | 623 | 85.9% | -2.7 min | 0.3% |
| PHX–SAN | Phoenix to San Diego | 554 | 67.1% | 10.5 min | 0.5% |
| PHX–LAS | Phoenix to Las Vegas | 547 | 76.1% | 9.3 min | 0.4% |
| PHX–DFW | Phoenix to Dallas/Fort Worth | 502 | 77.5% | 15.2 min | 4.0% |
| PHX–SLC | Phoenix to Salt Lake City | 500 | 82.0% | 1.7 min | 0.2% |
| PHX–ORD | Phoenix to Chicago | 499 | 76.0% | 4.4 min | 0.2% |
| PHX–SFO | Phoenix to San Francisco | 418 | 45.0% | 30.2 min | 0.2% |
| PHX–SNA | Phoenix to Santa Ana | 402 | 80.1% | 4.5 min | 0.0% |
| PHX–SMF | Phoenix to Sacramento | 341 | 80.1% | 4.0 min | 0.0% |
| PHX–TUS | Phoenix to Tucson | 341 | 81.2% | 6.8 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left PHX on time in May 2026?
74.5% of 17,337 scheduled domestic departures left less than 15 minutes late, and 76.6% reached their destination on time. The national figures that month were 77.1% and 77.6%.
How does that compare with a year earlier?
In May 2025, 78.8% of 17,223 departures left on time and 0.4% were cancelled, against 74.5% and 0.3% in May 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2026; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for PHX · methodology · corrections.