Flight OddsSEA → MSO Alaska Airlines
Alaska Airlines · Seattle, WA to Missoula, MT · 1,190 flights, 2025-07-01 to 2026-06-30 · aggregated across 30 flight numbers
On-time arrival
85%
Median delay
-6 min
90th percentile
+26 min
Cancellation rate
1%
How on-time is Alaska Airlines from SEA to MSO?
Across every Alaska Airlines flight number on SEA → MSO (1,190 flights, 2025-07-01 to 2026-06-30), 85% arrived within 15 minutes of schedule. Median arrival delay -6 min; the worst 10% ran +26 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 994 | 85% |
| 16-30 min | 79 | 7% |
| 31-60 min | 56 | 5% |
| 61-120 min | 32 | 3% |
| 2+ hrs | 11 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 121 | 77% | +12 min |
| 2025-08 | 122 | 78% | +6 min |
| 2025-09 | 98 | 95% | -6 min |
| 2025-10 | 105 | 90% | -2 min |
| 2025-11 | 87 | 83% | -1 min |
| 2025-12 | 92 | 82% | +5 min |
| 2026-01 | 89 | 92% | -7 min |
| 2026-02 | 77 | 92% | -6 min |
| 2026-03 | 82 | 83% | +1 min |
| 2026-04 | 87 | 91% | -4 min |
| 2026-05 | 102 | 86% | -2 min |
| 2026-06 | 110 | 76% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 174 | 86% |
| Tue | 172 | 85% |
| Wed | 159 | 88% |
| Thu | 170 | 83% |
| Fri | 170 | 83% |
| Sat | 155 | 88% |
| Sun | 172 | 81% |
AS flight numbers on SEA → MSO
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…