DEN (Denver) to BIL (Billings) flights arrive on time 79% of the time. The most reliable airline on this route is SkyWest Airlines at 81%. The average delay is 61 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.DEN → BIL
DEN (Denver) to BIL (Billings)
DEN → BIL on-time performance by month
This route is on time most of the time. About 79% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
SkyWest Airlines edges out United Airlines on this route — 81% vs 76% on time.
Airline Comparison
SkyWest Airlines leads at 81% on time; United Airlines trails at 76%.
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 ~13 min. Best time: 4 AM (about 5 min).
Arriving at BIL
83% on timeWhen flights into BIL are late, the average delay is 72 minutes. Build buffer if you have ground plans.
If connecting at BIL: TSA is ~27 min right now. Allow at least 60 minutes for a domestic connection.
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.