Flight OddsSEA → STS Alaska Airlines
Alaska Airlines · Seattle, WA to Santa Rosa, CA · 692 flights, 2025-07-01 to 2026-06-30 · aggregated across 19 flight numbers
On-time arrival
83%
Median delay
-8 min
90th percentile
+27 min
Cancellation rate
3%
How on-time is Alaska Airlines from SEA to STS?
Across every Alaska Airlines flight number on SEA → STS (692 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +27 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 553 | 83% |
| 16-30 min | 57 | 9% |
| 31-60 min | 32 | 5% |
| 61-120 min | 18 | 3% |
| 2+ hrs | 7 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 61 | 64% | +16 min |
| 2025-08 | 61 | 79% | +11 min |
| 2025-09 | 59 | 88% | -4 min |
| 2025-10 | 62 | 90% | -3 min |
| 2025-11 | 59 | 92% | -6 min |
| 2025-12 | 46 | 54% | +15 min |
| 2026-01 | 42 | 81% | -3 min |
| 2026-02 | 50 | 88% | -3 min |
| 2026-03 | 60 | 92% | -6 min |
| 2026-04 | 57 | 95% | -13 min |
| 2026-05 | 59 | 85% | -6 min |
| 2026-06 | 51 | 82% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 101 | 86% |
| Tue | 90 | 82% |
| Wed | 91 | 84% |
| Thu | 102 | 82% |
| Fri | 91 | 79% |
| Sat | 93 | 81% |
| Sun | 99 | 86% |
AS flight numbers on SEA → STS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…