Flight OddsMIA → SEA Alaska Airlines
Alaska Airlines · Miami, FL to Seattle, WA · 392 flights, 2025-07-01 to 2026-06-30 · aggregated across 3 flight numbers
On-time arrival
67%
Median delay
+3 min
90th percentile
+56 min
Cancellation rate
2%
How on-time is Alaska Airlines from MIA to SEA?
Across every Alaska Airlines flight number on MIA → SEA (392 flights, 2025-07-01 to 2026-06-30), 67% arrived within 15 minutes of schedule. Median arrival delay +3 min; the worst 10% ran +56 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 259 | 67% |
| 16-30 min | 51 | 13% |
| 31-60 min | 40 | 10% |
| 61-120 min | 21 | 5% |
| 2+ hrs | 13 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 57% | +22 min |
| 2025-08 | 30 | 47% | +23 min |
| 2025-09 | 30 | 73% | -2 min |
| 2025-10 | 30 | 73% | +7 min |
| 2025-11 | 36 | 72% | +14 min |
| 2025-12 | 45 | 69% | +11 min |
| 2026-01 | 37 | 70% | +7 min |
| 2026-02 | 28 | 79% | +6 min |
| 2026-03 | 29 | 38% | +34 min |
| 2026-04 | 29 | 66% | +11 min |
| 2026-05 | 30 | 80% | -2 min |
| 2026-06 | 30 | 83% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 53 | 77% |
| Tue | 55 | 67% |
| Wed | 54 | 67% |
| Thu | 54 | 59% |
| Fri | 55 | 67% |
| Sat | 57 | 72% |
| Sun | 56 | 63% |
AS flight numbers on MIA → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…