Flight OddsSJC → SEA Alaska Airlines
Alaska Airlines · San Jose, CA to Seattle, WA · 1,930 flights, 2025-07-01 to 2026-06-30 · aggregated across 43 flight numbers
On-time arrival
83%
Median delay
-7 min
90th percentile
+30 min
Cancellation rate
2%
How on-time is Alaska Airlines from SJC to SEA?
Across every Alaska Airlines flight number on SJC → SEA (1,930 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +30 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,572 | 83% |
| 16-30 min | 143 | 8% |
| 31-60 min | 110 | 6% |
| 61-120 min | 54 | 3% |
| 2+ hrs | 20 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 178 | 76% | +11 min |
| 2025-08 | 177 | 77% | +2 min |
| 2025-09 | 168 | 80% | +1 min |
| 2025-10 | 162 | 85% | +0 min |
| 2025-11 | 149 | 87% | -7 min |
| 2025-12 | 144 | 86% | +3 min |
| 2026-01 | 150 | 87% | -5 min |
| 2026-02 | 154 | 95% | -13 min |
| 2026-03 | 140 | 85% | +2 min |
| 2026-04 | 132 | 86% | -5 min |
| 2026-05 | 173 | 82% | -1 min |
| 2026-06 | 172 | 71% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 300 | 82% |
| Tue | 276 | 87% |
| Wed | 260 | 88% |
| Thu | 296 | 78% |
| Fri | 281 | 78% |
| Sat | 210 | 85% |
| Sun | 276 | 83% |
AS flight numbers on SJC → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…