Flight OddsAS939 SEA → SAN
Alaska Airlines · Seattle, WA to San Diego, CA · 100 flights observed, 2025-07-01 to 2025-10-24 · 1,050 mi
AS939 covers more than one route in the data window — the stats below are for SEA → SAN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
62%
Median delay
+4 min
90th percentile
+55 min
Cancellation rate
2%
How often is AS939 on time?
Across 100 flights on SEA → SAN from 2025-07-01 to 2025-10-24, AS939 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +55 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 61 | 62% |
| 16-30 min | 13 | 13% |
| 31-60 min | 14 | 14% |
| 61-120 min | 9 | 9% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 50% | +20 min |
| 2025-08 | 25 | 64% | +20 min |
| 2025-09 | 27 | 70% | +4 min |
| 2025-10 | 20 | 65% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 69% |
| Tue | 17 | 82% |
| Wed | 16 | 56% |
| Thu | 16 | 69% |
| Fri | 14 | 36% |
| Sat | 3 | 100% |
| Sun | 16 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…