AS2138 MSO → SEA

Alaska Airlines · Missoula, MT to Seattle, WA · 15 flights observed, 2026-06-11 to 2026-06-30 · 389 mi

This flight has been on time less than half the time (33%) — expect a real chance of a delay.

AS2138 covers more than one route in the data window — the stats below are for MSO → SEA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
33%
Median delay
+23 min
90th percentile
+46 min
Cancellation rate
0%

How often is AS2138 on time?

Across 15 flights on MSO → SEA from 2026-06-11 to 2026-06-30, AS2138 arrived within 15 minutes of schedule 33% of the time. The median arrival delay was +23 min, and the worst 10% of flights arrived +46 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time533%
16-30 min640%
31-60 min427%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-061533%+24 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue30%
WedNo data—
Thu367%
Fri30%
SatNo data—
Sun333%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…