OO4127
SkyWest Airlines flight 4127 — Seattle (SEA) to Boise (BOI)
On time
86%
Avg delay
~51 min
Cancelled
0.2%
OO4127 is a reliable flight. About 86% of departures arrive on time. When delays happen, the most common cause is airline operations.
Monthly breakdown
| Month | On time | Cancelled | Avg delay |
|---|---|---|---|
| 2026-07 | 58% | 0.0% | 63 min |
| 2026-07 | 81% | 0.0% | 77 min |
| 2026-06 | 67% | 0.0% | 55 min |
| 2026-06 | 80% | 0.0% | 50 min |
| 2026-05 | 83% | 0.0% | 18 min |
| 2026-05 | 94% | 0.0% | 93 min |
| 2026-04 | 97% | 0.0% | 20 min |
| 2026-04 | 100% | 0.0% | 0 min |
| 2026-03 | 80% | 3.2% | 116 min |
| 2026-03 | 84% | 0.0% | 143 min |
| 2026-02 | 93% | 0.0% | 48 min |
| 2026-02 | 86% | 0.0% | 34 min |
Top delay cause
airline operations
Based on 2,141 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.