Flight OddsHOU → SEA Southwest Airlines
Southwest Airlines · Houston, TX to Seattle, WA · 120 flights, 2025-07-01 to 2026-06-30 · aggregated across 10 flight numbers
On-time arrival
67%
Median delay
+4 min
90th percentile
+53 min
Cancellation rate
0%
How on-time is Southwest Airlines from HOU to SEA?
Across every Southwest Airlines flight number on HOU → SEA (120 flights, 2025-07-01 to 2026-06-30), 67% arrived within 15 minutes of schedule. Median arrival delay +4 min; the worst 10% ran +53 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 80 | 67% |
| 16-30 min | 16 | 13% |
| 31-60 min | 16 | 13% |
| 61-120 min | 7 | 6% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 58% | +23 min |
| 2025-08 | 31 | 77% | +7 min |
| 2025-09 | 30 | 83% | +5 min |
| 2025-10 | 1 | 100% | +1 min |
| 2026-06 | 27 | 44% | +29 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 59% |
| Tue | 18 | 72% |
| Wed | 17 | 65% |
| Thu | 17 | 59% |
| Fri | 17 | 65% |
| Sat | 17 | 71% |
| Sun | 17 | 76% |
WN flight numbers on HOU → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…