Home / Routes / KSEA → KMSO1,249 scheduled

The route from Seattle Tacoma International Airport (KSEA) in Seattle to Missoula International Airport (KMSO) in Missoula. SkyMeter tracks roughly 1,249 scheduled flights on this route across 2 carriers. The most active operator is ASA (ASA). Average block time is 1h 27m. Departures average 24 minutes off schedule, with 58% running more than 15 minutes late. The most common aircraft on this route is the EMBRAER Embraer 175 long wing.

Scheduled
1,249
last 468 days
ADS-B observed
27
Airlines
2
Avg dep delay
24m
Late >15 min
58.1%
Cancel rate
0.96%

Recent observed flights

From ADS-B trace data

2026-08-05 00:08  →  2026-08-05 01:04  ·  55m
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2026-08-03 00:00  →  2026-08-03 01:08  ·  1h 7m
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2026-07-26 00:03  →  2026-07-26 01:01  ·  57m
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2026-07-23 00:09  →  2026-07-23 01:14  ·  1h 5m
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2026-07-21 15:05  →  2026-07-21 16:27  ·  1h 22m
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2026-07-20 00:00  →  2026-07-20 00:59  ·  58m
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2026-07-16 15:14  →  2026-07-16 16:46  ·  1h 32m
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2026-07-15 00:06  →  2026-07-15 01:19  ·  1h 13m
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2026-07-14 00:03  →  2026-07-14 01:08  ·  1h 4m
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2026-07-13 15:24  →  2026-07-13 16:35  ·  1h 11m
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Codeshare partnerships

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

sells ASA 1140
sells ASA 467
sells ASA 334
sells ASA 326
sells ASA 324
sells ASA 64

Typical aircraft

Observed via ADS-B on this route

EMBRAER Embraer 175 long wing
E75L
100%
of flights

Looking for the return flight?

View KMSO → KSEA