DEN (Denver) to BLI (Bellingham) flights arrive on time 64% of the time. The most reliable airline on this route is Southwest Airlines at 64%. The average delay is 65 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.DEN → BLI
DEN (Denver) to BLI (Bellingham)
DEN → BLI on-time performance by month
24
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is frequently delayed. About 64% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
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 ~19 min. Best time: 4 AM (about 5 min).
Arriving at BLI
85% on timeWhen flights into BLI are late, the average delay is 65 minutes. Build buffer if you have ground plans.
If connecting at BLI: TSA is ~10 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Southwest 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.