DEN (Denver) to MSO (Missoula) flights arrive on time 82% of the time. The most reliable airline on this route is SkyWest Airlines at 82%. The average delay is 63 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.DEN → MSO
DEN (Denver) to MSO (Missoula)
DEN → MSO on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 82% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
SkyWest Airlines edges out Frontier Airlines on this route — 82% vs 69% on time.
Airline Comparison
SkyWest Airlines leads at 82% on time; Frontier Airlines trails at 69%.
Accurate?
Good to know
Departing from DEN
79% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. DEN has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at MSO
82% on timeWhen flights into MSO are late, the average delay is 74 minutes. Build buffer if you have ground plans.
If connecting at MSO: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what SkyWest Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of DEN? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated August 2026. Source: Bureau of Transportation Statistics.