BOS (Boston) to LAS (Las Vegas) flights arrive on time 80% of the time. The most reliable airline on this route is Delta Air Lines at 81%. The average delay is 60 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 → LAS
BOS (Boston) to LAS (Las Vegas)
BOS → LAS on-time performance by month
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This route is on time most of the time. About 80% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Airlines are roughly equal on this route — Delta Air Lines leads slightly at 81% vs JetBlue Airways at 79%.
Airline Comparison
Delta Air Lines leads at 81% on time; JetBlue Airways trails at 79%.
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 LAS
77% on timeWhen flights into LAS are late, the average delay is 62 minutes. Build buffer if you have ground plans.
If connecting at LAS: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
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Data last updated March 2026. Source: Bureau of Transportation Statistics.