Home / Routes / KMSO → KSEA1,177 scheduled

The route from Missoula International Airport (KMSO) in Missoula to Seattle Tacoma International Airport (KSEA) in Seattle. SkyMeter tracks roughly 1,177 scheduled flights on this route across 1 carrier. The most active operator is ASA (ASA). Average block time is 1h 34m. Departures average 24 minutes off schedule, with 42% running more than 15 minutes late. The most common aircraft on this route is the EMBRAER Embraer 175 long wing.

Scheduled
1,177
last 445 days
ADS-B observed
1
Airlines
1
Avg dep delay
24m
Late >15 min
41.7%
Cancel rate
1.02%

Recent observed flights

From ADS-B trace data

2026-06-23 17:37  →  2026-06-23 19:14  ·  1h 37m
Replay
2026-03-01 20:44  →  2026-03-01 22:04  ·  1h 19m
Replay
2026-01-19 21:07  →  2026-01-19 22:12  ·  1h 4m
Replay

Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells ASA 1115
sells ASA 622
sells ASA 338
sells ASA 338
sells ASA 338
sells ASA 63
sells ASA 28
sells JAG 1

Typical aircraft

Observed via ADS-B on this route

EMBRAER Embraer 175 long wing
E75L
100%
of flights

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View KSEA → KMSO