Is SkyWest Airlines on time? OO
Landing within 15 minutes of schedule, over the last 12 months.
Source: US Department of Transportation on-time records, which cover this airline's US flights. Last refreshed: 2026-10-07.
Year by year
Arrival punctuality, whole calendar years| Year | On time | Change | Cancelled |
|---|---|---|---|
| 2019 | 81% | 2.1% | |
| 2020 | 90% | +9 pts | 4.2% |
| 2021 | 84% | -6 pts | 1.8% |
| 2022 | 83% | -1 pt | 1.8% |
| 2023 | 84% | no change | 1.2% |
| 2024 | 81% | -3 pts | 1.1% |
| 2025 | 79% | -2 pts | 1.4% |
| 2026part year | 78% | -1 pt | 1.9% |
2020 looks like the best year here, and it was the worst year to fly. Empty aeroplanes run to time, and the flights that would have been late were cancelled instead: cancellations across the industry ran about three times their normal rate that year.
Month by month
| Month | On time | Cancelled |
|---|---|---|
| 2026-07 | 76% | 1.5% |
| 2026-06 | 78% | 1.4% |
| 2026-05 | 80% | 0.9% |
| 2026-04 | 80% | 1.8% |
| 2026-03 | 78% | 3.6% |
| 2026-02 | 78% | 1.2% |
| 2026-01 | 77% | 3.3% |
| 2025-12 | 73% | 1.9% |
| 2025-11 | 82% | 4.3% |
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Busiest routes
| Route | On time | Worst 1 in 10 |
|---|---|---|
| MKE to ORD | 69% | about 93 min |
| ORD to MKE | 63% | about 108 min |
| SMF to LAX | 89% | about 18 min |
| LAX to SMF | 87% | about 26 min |
| SNA to SFO | 64% | about 79 min |
| SFO to SNA | 76% | about 53 min |
| PDX to SEA | 86% | about 24 min |
| SEA to PDX | 85% | about 26 min |
| COS to DEN | 84% | about 31 min |
| DEN to COS | 77% | about 54 min |
| SEA to BOI | 87% | about 23 min |
| BOI to SEA | 87% | about 24 min |
How these numbers are made
On time means the aircraft arrived less than 15 minutes after its scheduled time. Cancelled flights are not counted as on time, and they are not counted as late either. They have their own figure.
Worst 1 in 10 is the delay that one arrival in ten exceeds. An average hides the days that ruin a trip; this does not.
A route or an airline appears only once we hold enough measured arrivals for it. Below that the number moves too much on a single bad week to be worth printing.
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