Airlines › SkyWest Airlines › May 2025
Carrier month · May 2025
SkyWest 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, SkyWest Airlines (OO) reported 72,962 scheduled domestic flights. 80.4% arrived on time, 0.9% were cancelled and 0.3% diverted.
All reporting carriers together recorded 75.4% on time and 1.0% cancelled that month, so the carrier was 5.0 points above the combined figure.
A year earlier, in May 2024, it reported 62,107 flights with 78.0% on time: a change of +2.4 points.
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 45%, national aviation system 21% and late-arriving aircraft 18%.
- On time 80.4%
- Arrived 15+ minutes late 18.5%
- Cancelled 0.9%
- Diverted 0.3%
May 2025 against a year earlier, the carrier's year and all carriers
| Measure | May 2025 | May 2024 | OO, 12 months to Jul 2026 | All carriers, May 2025 |
|---|---|---|---|---|
| Arrived on time | 80.4% | 78.0% | 77.4% | 75.4% |
| Departed on time | 83.0% | 80.3% | 79.5% | 76.7% |
| Cancelled | 0.9% | 1.4% | 1.8% | 1.0% |
| Average arrival delay | 7.2 min | 11.6 min | 9.6 min | 10.2 min |
| Scheduled flights a day | 2,432 | 2,070 | 2,340 | 20,188 |
| Scheduled flights | 72,962 | 62,107 | 854,130 | 605,648 |
241 airports and 1,280 routes had OO flights that month.
Busiest airports that month
| Airport | Departures | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|
| DEN Denver | 6,268 | 73.5% | 16.7 min | 1.4% |
| ORD Chicago | 5,508 | 79.5% | 5.9 min | 0.4% |
| LAX Los Angeles | 3,325 | 89.5% | -2.9 min | 0.1% |
| SFO San Francisco | 3,116 | 80.9% | 3.9 min | 0.2% |
| SLC Salt Lake City | 3,095 | 92.5% | -5.0 min | 0.1% |
| DFW Dallas/Fort Worth | 2,847 | 74.0% | 8.1 min | 4.6% |
| SEA Seattle | 2,612 | 86.8% | -1.6 min | 0.0% |
| DTW Detroit | 2,467 | 85.6% | 2.5 min | 0.1% |
| PHX Phoenix | 2,442 | 84.9% | 2.9 min | 0.2% |
| MSP Minneapolis | 2,108 | 85.5% | 2.0 min | 0.1% |
| SAN San Diego | 1,391 | 77.9% | 6.9 min | 0.5% |
| IAH Houston | 1,274 | 67.0% | 25.8 min | 2.4% |
| PDX Portland | 936 | 86.1% | 1.1 min | 0.3% |
| BOI Boise | 910 | 89.9% | -4.8 min | 0.0% |
| SMF Sacramento | 904 | 87.8% | -3.3 min | 0.1% |
By scheduled departure hour
Delay causes
Questions and answers
What share of SkyWest Airlines flights were on time in May 2025?
80.4% of 72,962 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 62,107 flights with 78.0% on time and 1.4% cancelled, against 80.4% and 0.9% 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 SkyWest Airlines · methodology · corrections.