Flight OddsAS599 LAS → SEA
Alaska Airlines · Las Vegas, NV to Seattle, WA · 136 flights observed, 2025-07-01 to 2026-05-12 · 867 mi
AS599 covers more than one route in the data window — the stats below are for LAS → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-2 min
90th percentile
+36 min
Cancellation rate
1%
How often is AS599 on time?
Across 136 flights on LAS → SEA from 2025-07-01 to 2026-05-12, AS599 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +36 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 | 103 | 76% |
| 16-30 min | 14 | 10% |
| 31-60 min | 8 | 6% |
| 61-120 min | 5 | 4% |
| 2+ hrs | 5 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 81% | +12 min |
| 2025-08 | 28 | 71% | +14 min |
| 2025-09 | 21 | 71% | +13 min |
| 2025-10 | 2 | 50% | +2 min |
| 2026-02 | 17 | 88% | +3 min |
| 2026-03 | 15 | 67% | +3 min |
| 2026-04 | 9 | 89% | -8 min |
| 2026-05 | 12 | 75% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 21 | 86% |
| Tue | 16 | 81% |
| Wed | 14 | 57% |
| Thu | 22 | 77% |
| Fri | 21 | 71% |
| Sat | 21 | 86% |
| Sun | 20 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…