Missoula Montana (MSO) is an airport in Missoula, USA serving 13 nonstop destinations. The largest operators are United Airlines, American Airlines and Allegiant Air. On-time performance is 81.6% based on the most recent BTS data (arrivals not delayed 15+ minutes). The airport operates in the MDT (UTC-0600) timezone. Updated 30 August 2026.

Frequently asked questions

How many nonstop destinations does MSO have?

MSO (Missoula Montana) serves 13 nonstop destinations.

Which airlines fly nonstop from MSO?

Airlines flying nonstop from MSO include American Airlines, United Airlines, Allegiant Air, Delta Air Lines, Sun Country Airlines, Alaska Airlines.

What is the on-time performance at MSO?

MSO has an on-time performance rate of 81.6%, based on the most recent BTS data covering arrivals not delayed 15 minutes or more.

What is the ICAO code for MSO?

The ICAO code for MSO (Missoula Montana) is KMSO.

ICAO: KMSO
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Route data: updated 30 days ago