BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
AIRLINE × ROUTE REPORT
MSO→SEA

Alaska Airlines Missoula, MT (MSO) to Seattle, WA (SEA) reliability

Among 533 scheduled Alaska Airlines flights from MSO to SEA, 79.4% arrived on time, 9.2% arrived at least 30 minutes late, and 1.1% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Alaska Airlines (AS) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
79.4%arrived on time
9.2%30+ min late
1.1%cancelled
533scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late9.2%
60+ minutes late4.3%
Cancelled1.1%
Average arrival+3.4 mincompleted flights

What did Alaska Airlines MSO to SEA record?

Alaska Airlines completed 98.9% of its scheduled reportable MSO to SEA flights in the observation window. 79.4% of all scheduled flights arrived less than 15 minutes late, while 4.3% arrived at least an hour late.

What were Alaska Airlines MSO to SEA disruption rates?

For Alaska Airlines MSO-to-SEA flights, 9.2% arrived at least 30 minutes late, 1.1% were cancelled, and 0.0% were diverted.

Compare all airlines on this route

What was the Alaska Airlines MSO to SEA scheduled cohort?

The Alaska Airlines MSO-to-SEA cohort contained 533 scheduled flights; 527 completed, 6 were cancelled, and 0 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.