AS1050 SEA → SFO
Alaska Airlines · Seattle, WA to San Francisco, CA · 109 flights observed, 2025-07-02 to 2025-10-25 · 679 mi
AS1050 covers more than one route in the data window — the stats below are for SEA → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
68%
Median delay
+1 min
90th percentile
+72 min
Cancellation rate
3%
How often is AS1050 on time?
Across 109 flights on SEA → SFO from 2025-07-02 to 2025-10-25, AS1050 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +72 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 72 | 68% |
| 16-30 min | 7 | 7% |
| 31-60 min | 14 | 13% |
| 61-120 min | 9 | 8% |
| 2+ hrs | 4 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 52% | +32 min |
| 2025-08 | 29 | 62% | +22 min |
| 2025-09 | 30 | 73% | +12 min |
| 2025-10 | 24 | 83% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 63% |
| Tue | 12 | 83% |
| Wed | 15 | 73% |
| Thu | 16 | 69% |
| Fri | 16 | 69% |
| Sat | 17 | 76% |
| Sun | 14 | 43% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…