BZN (Bozeman) to BOS (Boston) flights arrive on time 63% of the time. The most reliable airline on this route is Delta Air Lines at 70%. The average delay is 109 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated May 2026.BZN → BOS
BZN (Bozeman) to BOS (Boston)
BZN → BOS on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is frequently delayed. About 63% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Delta Air Lines edges out JetBlue Airways on this route — 70% vs 62% on time.
Airline Comparison
Delta Air Lines leads at 70% on time; JetBlue Airways trails at 62%.
Accurate?
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 BOS
79% on timeWhen flights into BOS are late, the average delay is 74 minutes. Build buffer if you have ground plans.
If connecting at BOS: TSA is ~21 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.