BZN (Bozeman) to IAD (Washington) flights arrive on time 70% of the time. The most reliable airline on this route is United Airlines at 70%. The average delay is 58 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated May 2026.BZN → IAD
BZN (Bozeman) to IAD (Washington)
BZN → IAD on-time performance by month
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 70% of flights arrive on schedule.
Delays on this route are most often caused by air traffic and busy airspace.
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Good to know
Departing from BZN
81% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. BZN has long runway queues.
TSA is currently ~9 min. Best time: 4 AM (about 5 min).
Arriving at IAD
83% on timeWhen flights into IAD are late, the average delay is 74 minutes. Build buffer if you have ground plans.
If connecting at IAD: TSA is ~8 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.