Flight OddsAS664 SEA → MSO
Alaska Airlines · Seattle, WA to Missoula, MT · 34 flights observed, 2026-03-18 to 2026-04-20 · 389 mi
AS664 covers more than one route in the data window — the stats below are for SEA → MSO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-8 min
90th percentile
+20 min
Cancellation rate
3%
How often is AS664 on time?
Across 34 flights on SEA → MSO from 2026-03-18 to 2026-04-20, AS664 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +20 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 28 | 85% |
| 16-30 min | 3 | 9% |
| 31-60 min | 1 | 3% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 13 | 85% | +1 min |
| 2026-04 | 20 | 85% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 4 | 100% |
| Wed | 5 | 100% |
| Thu | 4 | 100% |
| Fri | 5 | 80% |
| Sat | 5 | 100% |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…