Flight OddsAS1318 SEA → SFO
Alaska Airlines · Seattle, WA to San Francisco, CA · 87 flights observed, 2025-07-01 to 2025-10-03 · 679 mi
AS1318 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
60%
Median delay
+8 min
90th percentile
+72 min
Cancellation rate
1%
How often is AS1318 on time?
Across 87 flights on SEA → SFO from 2025-07-01 to 2025-10-03, AS1318 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +72 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 | 52 | 60% |
| 16-30 min | 10 | 12% |
| 31-60 min | 10 | 12% |
| 61-120 min | 12 | 14% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 62% | +26 min |
| 2025-08 | 27 | 59% | +21 min |
| 2025-09 | 30 | 60% | +13 min |
| 2025-10 | 3 | 67% | +36 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 31% |
| Tue | 14 | 57% |
| Wed | 14 | 79% |
| Thu | 14 | 57% |
| Fri | 12 | 67% |
| Sat | 13 | 85% |
| Sun | 6 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…