Flight OddsSFO → SEA Alaska Airlines
Alaska Airlines · San Francisco, CA to Seattle, WA · 2,725 flights, 2025-07-01 to 2026-06-30 · aggregated across 47 flight numbers
On-time arrival
70%
Median delay
+1 min
90th percentile
+49 min
Cancellation rate
2%
How on-time is Alaska Airlines from SFO to SEA?
Across every Alaska Airlines flight number on SFO → SEA (2,725 flights, 2025-07-01 to 2026-06-30), 70% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +49 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,880 | 70% |
| 16-30 min | 320 | 12% |
| 31-60 min | 281 | 10% |
| 61-120 min | 133 | 5% |
| 2+ hrs | 64 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 269 | 58% | +21 min |
| 2025-08 | 263 | 63% | +19 min |
| 2025-09 | 250 | 74% | +6 min |
| 2025-10 | 222 | 66% | +13 min |
| 2025-11 | 202 | 77% | +4 min |
| 2025-12 | 217 | 68% | +18 min |
| 2026-01 | 201 | 83% | +1 min |
| 2026-02 | 194 | 92% | -9 min |
| 2026-03 | 195 | 87% | -1 min |
| 2026-04 | 198 | 62% | +18 min |
| 2026-05 | 217 | 60% | +17 min |
| 2026-06 | 250 | 62% | +19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 424 | 69% |
| Tue | 386 | 76% |
| Wed | 362 | 75% |
| Thu | 411 | 65% |
| Fri | 400 | 65% |
| Sat | 305 | 72% |
| Sun | 390 | 70% |
AS flight numbers on SFO → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…