Flight OddsAS501 SJC → SEA
Alaska Airlines · San Jose, CA to Seattle, WA · 42 flights observed, 2025-10-26 to 2025-12-17 · 696 mi
AS501 covers more than one route in the data window — the stats below are for SJC → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
95%
Median delay
-15 min
90th percentile
+4 min
Cancellation rate
2%
How often is AS501 on time?
Across 42 flights on SJC → SEA from 2025-10-26 to 2025-12-17, AS501 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +4 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 | 39 | 95% |
| 16-30 min | 1 | 2% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 5 | 100% | -15 min |
| 2025-11 | 20 | 90% | -16 min |
| 2025-12 | 16 | 100% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 100% |
| Tue | 7 | 100% |
| Wed | 7 | 100% |
| Thu | 5 | 60% |
| Fri | 5 | 100% |
| Sat | 5 | 100% |
| Sun | 6 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…