Flight OddsSEA → MIA Alaska Airlines
Alaska Airlines · Seattle, WA to Miami, FL · 391 flights, 2025-07-01 to 2026-06-30 · aggregated across 4 flight numbers
On-time arrival
80%
Median delay
-5 min
90th percentile
+29 min
Cancellation rate
1%
How on-time is Alaska Airlines from SEA to MIA?
Across every Alaska Airlines flight number on SEA → MIA (391 flights, 2025-07-01 to 2026-06-30), 80% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +29 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 307 | 80% |
| 16-30 min | 41 | 11% |
| 31-60 min | 27 | 7% |
| 61-120 min | 10 | 3% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 62% | +15 min |
| 2025-08 | 30 | 70% | +8 min |
| 2025-09 | 30 | 90% | -17 min |
| 2025-10 | 30 | 90% | -10 min |
| 2025-11 | 37 | 81% | -5 min |
| 2025-12 | 45 | 76% | +6 min |
| 2026-01 | 36 | 72% | +3 min |
| 2026-02 | 28 | 86% | -6 min |
| 2026-03 | 31 | 68% | +15 min |
| 2026-04 | 29 | 76% | -6 min |
| 2026-05 | 31 | 97% | -22 min |
| 2026-06 | 30 | 90% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 55 | 76% |
| Tue | 54 | 85% |
| Wed | 54 | 83% |
| Thu | 55 | 85% |
| Fri | 56 | 70% |
| Sat | 57 | 81% |
| Sun | 55 | 76% |
AS flight numbers on SEA → MIA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…