Flight OddsSJC → SEA Southwest Airlines
Southwest Airlines · San Jose, CA to Seattle, WA · 928 flights, 2025-07-01 to 2026-06-30 · aggregated across 59 flight numbers
On-time arrival
76%
Median delay
-3 min
90th percentile
+41 min
Cancellation rate
0%
How on-time is Southwest Airlines from SJC to SEA?
Across every Southwest Airlines flight number on SJC → SEA (928 flights, 2025-07-01 to 2026-06-30), 76% arrived within 15 minutes of schedule. Median arrival delay -3 min; the worst 10% ran +41 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 708 | 76% |
| 16-30 min | 88 | 9% |
| 31-60 min | 85 | 9% |
| 61-120 min | 35 | 4% |
| 2+ hrs | 11 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 114 | 69% | +13 min |
| 2025-08 | 95 | 77% | +5 min |
| 2025-09 | 90 | 84% | +1 min |
| 2025-10 | 79 | 72% | +6 min |
| 2025-11 | 80 | 73% | +5 min |
| 2025-12 | 78 | 68% | +15 min |
| 2026-01 | 65 | 92% | -5 min |
| 2026-02 | 74 | 89% | -4 min |
| 2026-03 | 60 | 87% | -4 min |
| 2026-04 | 53 | 75% | +6 min |
| 2026-05 | 52 | 67% | +7 min |
| 2026-06 | 87 | 68% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 145 | 77% |
| Tue | 136 | 86% |
| Wed | 134 | 87% |
| Thu | 143 | 73% |
| Fri | 140 | 71% |
| Sat | 99 | 80% |
| Sun | 130 | 62% |
WN flight numbers on SJC → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…