MSY (New Orleans) to BOS (Boston) flights arrive on time 72% of the time. The most reliable airline on this route is Spirit Airlines at 87%. The average delay is 94 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated May 2026.MSY → BOS
MSY (New Orleans) to BOS (Boston)
MSY → BOS on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
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This route is delayed fairly often. About 72% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Spirit Airlines is significantly more reliable on this route at 87% on time vs Delta Air Lines at 70%.
Airline Comparison
Spirit Airlines leads at 87% on time; Delta Air Lines trails at 70%.
Accurate?
Good to know
Departing from MSY
79% on timeTSA is currently ~22 min. Best time: 4 AM (about 5 min).
MSY cancels 2.2% of flights — higher than average. Have a backup plan.
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.
Flight cancelled or delayed?
Check what Spirit Airlines owes you — refund rights, action plan, complaint email. Free.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.