BOS (Boston) to BZN (Bozeman) flights arrive on time 82% of the time. The most reliable airline on this route is Delta Air Lines at 90%. The average delay is 54 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.BOS → BZN
BOS (Boston) to BZN (Bozeman)
BOS → BZN on-time performance by month
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This route is on time most of the time. About 82% 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 — 90% vs 78% on time.
Airline Comparison
Delta Air Lines leads at 90% on time; JetBlue Airways trails at 78%.
Accurate?
Good to know
Departing from BOS
79% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. BOS has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at BZN
81% on timeWhen flights into BZN are late, the average delay is 68 minutes. Build buffer if you have ground plans.
If connecting at BZN: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
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Check what Delta Air Lines owes you — refund rights, action plan, complaint email. Free.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.