Flight OddsAS1303 SEA → SJC
Alaska Airlines · Seattle, WA to San Jose, CA · 205 flights observed, 2025-10-26 to 2026-06-09 · 696 mi
AS1303 covers more than one route in the data window — the stats below are for SEA → SJC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-8 min
90th percentile
+26 min
Cancellation rate
0%
How often is AS1303 on time?
Across 205 flights on SEA → SJC from 2025-10-26 to 2026-06-09, AS1303 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +26 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 168 | 83% |
| 16-30 min | 17 | 8% |
| 31-60 min | 12 | 6% |
| 61-120 min | 6 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 100% | -7 min |
| 2025-11 | 25 | 76% | +2 min |
| 2025-12 | 25 | 72% | +10 min |
| 2026-01 | 28 | 82% | -2 min |
| 2026-02 | 25 | 100% | -9 min |
| 2026-03 | 28 | 82% | -5 min |
| 2026-04 | 28 | 89% | -11 min |
| 2026-05 | 29 | 76% | +4 min |
| 2026-06 | 9 | 78% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 32 | 78% |
| Tue | 33 | 91% |
| Wed | 29 | 93% |
| Thu | 29 | 90% |
| Fri | 28 | 86% |
| Sat | 19 | 68% |
| Sun | 33 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…