Flight OddsLAX → SEA Alaska Airlines
Alaska Airlines · Los Angeles, CA to Seattle, WA · 3,301 flights, 2025-07-01 to 2026-06-30 · aggregated across 52 flight numbers
On-time arrival
86%
Median delay
-9 min
90th percentile
+23 min
Cancellation rate
1%
How on-time is Alaska Airlines from LAX to SEA?
Across every Alaska Airlines flight number on LAX → SEA (3,301 flights, 2025-07-01 to 2026-06-30), 86% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +23 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 2,800 | 86% |
| 16-30 min | 217 | 7% |
| 31-60 min | 142 | 4% |
| 61-120 min | 68 | 2% |
| 2+ hrs | 36 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 302 | 77% | +8 min |
| 2025-08 | 292 | 79% | +7 min |
| 2025-09 | 270 | 93% | -10 min |
| 2025-10 | 269 | 90% | -5 min |
| 2025-11 | 251 | 93% | -12 min |
| 2025-12 | 295 | 85% | 0 min |
| 2026-01 | 240 | 83% | -4 min |
| 2026-02 | 244 | 91% | -8 min |
| 2026-03 | 255 | 88% | -3 min |
| 2026-04 | 252 | 88% | -9 min |
| 2026-05 | 291 | 90% | -6 min |
| 2026-06 | 302 | 77% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 503 | 90% |
| Tue | 464 | 88% |
| Wed | 440 | 87% |
| Thu | 500 | 83% |
| Fri | 471 | 79% |
| Sat | 393 | 87% |
| Sun | 492 | 87% |
AS flight numbers on LAX → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…