Flight OddsAS478 SEA → LAS
Alaska Airlines · Seattle, WA to Las Vegas, NV · 326 flights observed, 2025-07-01 to 2026-06-30 · 867 mi
On-time arrival
73%
Median delay
+1 min
90th percentile
+43 min
Cancellation rate
1%
How often is AS478 on time?
Across 326 flights on SEA → LAS from 2025-07-01 to 2026-06-30, AS478 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +43 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 235 | 73% |
| 16-30 min | 37 | 11% |
| 31-60 min | 30 | 9% |
| 61-120 min | 15 | 5% |
| 2+ hrs | 5 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 55% | +22 min |
| 2025-08 | 30 | 73% | +8 min |
| 2025-09 | 30 | 67% | +10 min |
| 2025-10 | 27 | 78% | +8 min |
| 2025-11 | 19 | 63% | +16 min |
| 2025-12 | 31 | 65% | +10 min |
| 2026-01 | 24 | 79% | +3 min |
| 2026-02 | 24 | 67% | +6 min |
| 2026-03 | 31 | 81% | +7 min |
| 2026-04 | 29 | 79% | +2 min |
| 2026-05 | 22 | 82% | +11 min |
| 2026-06 | 26 | 88% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 75% |
| Tue | 39 | 79% |
| Wed | 37 | 86% |
| Thu | 50 | 72% |
| Fri | 50 | 68% |
| Sat | 45 | 73% |
| Sun | 50 | 62% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…