Flight OddsAS591 SFO → SEA
Alaska Airlines · San Francisco, CA to Seattle, WA · 228 flights observed, 2025-07-01 to 2026-06-30 · 679 mi
On-time arrival
69%
Median delay
+4 min
90th percentile
+42 min
Cancellation rate
1%
How often is AS591 on time?
Across 228 flights on SFO → SEA from 2025-07-01 to 2026-06-30, AS591 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +42 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 155 | 69% |
| 16-30 min | 33 | 15% |
| 31-60 min | 23 | 10% |
| 61-120 min | 5 | 2% |
| 2+ hrs | 8 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 38% | +28 min |
| 2025-08 | 15 | 53% | +26 min |
| 2025-10 | 24 | 79% | +19 min |
| 2025-11 | 26 | 62% | +19 min |
| 2025-12 | 24 | 71% | +21 min |
| 2026-01 | 25 | 72% | +8 min |
| 2026-02 | 27 | 89% | -8 min |
| 2026-03 | 15 | 87% | -1 min |
| 2026-04 | 9 | 78% | +11 min |
| 2026-05 | 12 | 75% | -1 min |
| 2026-06 | 21 | 67% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 36 | 61% |
| Tue | 35 | 77% |
| Wed | 32 | 72% |
| Thu | 34 | 65% |
| Fri | 29 | 59% |
| Sat | 30 | 80% |
| Sun | 28 | 71% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…