Airlines › Alaska Airlines › May 2025
Carrier month · May 2025
Alaska Airlines in May 2025
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 2025, Alaska Airlines (AS) reported 21,751 scheduled domestic flights. 74.3% arrived on time, 0.6% were cancelled and 0.1% diverted.
All reporting carriers together recorded 75.4% on time and 1.0% cancelled that month, so the carrier was 1.1 points below the combined figure.
A year earlier, in May 2024, it reported 21,257 flights with 75.3% on time: a change of −1.0 points.
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 38%, national aviation system 34% and air carrier 24%.
- On time 74.3%
- Arrived 15+ minutes late 25.0%
- Cancelled 0.6%
- Diverted 0.1%
May 2025 against a year earlier, the carrier's year and all carriers
| Measure | May 2025 | May 2024 | AS, 12 months to Jul 2026 | All carriers, May 2025 |
|---|---|---|---|---|
| Arrived on time | 74.3% | 75.3% | 78.5% | 75.4% |
| Departed on time | 78.8% | 78.1% | 79.0% | 76.7% |
| Cancelled | 0.6% | 0.6% | 1.2% | 1.0% |
| Average arrival delay | 7.0 min | 5.9 min | 2.9 min | 10.2 min |
| Scheduled flights a day | 725 | 709 | 826 | 20,188 |
| Scheduled flights | 21,751 | 21,257 | 301,435 | 605,648 |
86 airports and 328 routes had AS flights that month.
Busiest airports that month
| Airport | Departures | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|
| SEA Seattle | 6,942 | 68.7% | 10.5 min | 0.5% |
| PDX Portland | 1,661 | 80.5% | 3.9 min | 0.4% |
| ANC Anchorage | 1,265 | 87.7% | -3.2 min | 0.8% |
| SFO San Francisco | 1,080 | 67.5% | 13.0 min | 0.4% |
| SAN San Diego | 921 | 78.6% | 3.9 min | 0.5% |
| LAX Los Angeles | 675 | 80.9% | 3.7 min | 0.7% |
| LAS Las Vegas | 494 | 75.3% | 7.5 min | 0.4% |
| PHX Phoenix | 461 | 83.5% | -0.7 min | 0.2% |
| JNU Juneau | 391 | 84.1% | 0.2 min | 1.0% |
| SNA Santa Ana | 372 | 80.1% | 2.3 min | 0.3% |
| JFK New York | 341 | 69.2% | 11.3 min | 0.6% |
| EWR Newark | 308 | 50.0% | 63.8 min | 2.3% |
| ORD Chicago | 281 | 79.7% | 0.8 min | 0.7% |
| BOS Boston | 254 | 75.6% | -3.2 min | 1.2% |
| DFW Dallas/Fort Worth | 220 | 62.7% | 15.1 min | 0.5% |
By scheduled departure hour
Delay causes
Questions and answers
What share of Alaska Airlines flights were on time in May 2025?
74.3% of 21,751 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 75.4% that month.
How does that compare with a year earlier?
In May 2024 the carrier reported 21,257 flights with 75.3% on time and 0.6% cancelled, against 74.3% and 0.6% in May 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2025; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for Alaska Airlines · methodology · corrections.