DEN (Denver) to BIL (Billings) flights arrive on time 78% of the time. The most reliable airline on this route is SkyWest Airlines at 81%. The average delay is 62 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated May 2026.DEN → BIL
DEN (Denver) to BIL (Billings)
DEN → BIL on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is on time most of the time. About 78% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
SkyWest Airlines edges out United Airlines on this route — 81% vs 74% on time.
Airline Comparison
SkyWest Airlines leads at 81% on time; United Airlines trails at 74%.
Accurate?
Good to know
Departing from DEN
78% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. DEN has long runway queues.
TSA is currently ~13 min. Best time: 4 AM (about 5 min).
Arriving at BIL
83% on timeWhen flights into BIL are late, the average delay is 71 minutes. Build buffer if you have ground plans.
If connecting at BIL: TSA is ~16 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.