Flight OddsAS551 SEA → LAS
Alaska Airlines · Seattle, WA to Las Vegas, NV · 260 flights observed, 2025-08-20 to 2026-06-09 · 867 mi
AS551 covers more than one route in the data window — the stats below are for SEA → LAS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-6 min
90th percentile
+32 min
Cancellation rate
1%
How often is AS551 on time?
Across 260 flights on SEA → LAS from 2025-08-20 to 2026-06-09, AS551 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +32 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 | 209 | 81% |
| 16-30 min | 18 | 7% |
| 31-60 min | 17 | 7% |
| 61-120 min | 10 | 4% |
| 2+ hrs | 3 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 12 | 67% | +13 min |
| 2025-09 | 29 | 79% | +9 min |
| 2025-10 | 30 | 80% | +9 min |
| 2025-11 | 29 | 79% | +6 min |
| 2025-12 | 16 | 75% | +2 min |
| 2026-01 | 25 | 84% | -1 min |
| 2026-02 | 25 | 92% | -2 min |
| 2026-03 | 25 | 60% | +6 min |
| 2026-04 | 27 | 85% | -8 min |
| 2026-05 | 30 | 97% | -8 min |
| 2026-06 | 9 | 89% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 37 | 76% |
| Tue | 39 | 85% |
| Wed | 39 | 92% |
| Thu | 38 | 76% |
| Fri | 37 | 70% |
| Sat | 29 | 86% |
| Sun | 38 | 84% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…