SEA → LAS Southwest Airlines
Southwest Airlines · Seattle, WA to Las Vegas, NV · 976 flights, 2025-07-01 to 2026-06-30 · aggregated across 64 flight numbers
On-time arrival
70%
Median delay
+1 min
90th percentile
+46 min
Cancellation rate
1%
How on-time is Southwest Airlines from SEA to LAS?
Across every Southwest Airlines flight number on SEA → LAS (976 flights, 2025-07-01 to 2026-06-30), 70% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +46 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 681 | 70% |
| 16-30 min | 127 | 13% |
| 31-60 min | 100 | 10% |
| 61-120 min | 46 | 5% |
| 2+ hrs | 17 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 92 | 58% | +20 min |
| 2025-08 | 92 | 58% | +15 min |
| 2025-09 | 89 | 64% | +11 min |
| 2025-10 | 79 | 71% | +13 min |
| 2025-11 | 72 | 67% | +16 min |
| 2025-12 | 75 | 80% | +7 min |
| 2026-01 | 65 | 88% | -2 min |
| 2026-02 | 57 | 84% | +1 min |
| 2026-03 | 80 | 68% | +11 min |
| 2026-04 | 88 | 78% | +6 min |
| 2026-05 | 92 | 71% | +13 min |
| 2026-06 | 90 | 68% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 143 | 70% |
| Tue | 141 | 77% |
| Wed | 134 | 75% |
| Thu | 141 | 63% |
| Fri | 144 | 64% |
| Sat | 121 | 77% |
| Sun | 147 | 67% |
WN flight numbers on SEA → LAS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…