BOS (Boston) to MKE (Milwaukee) flights arrive on time 84% of the time. The most reliable airline on this route is Republic Airways at 86%. The average delay is 61 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 → MKE
BOS (Boston) to MKE (Milwaukee)
BOS → MKE on-time performance by month
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This route is on time most of the time. About 84% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Republic Airways edges out JetBlue Airways on this route — 86% vs 81% on time.
Airline Comparison
Republic Airways leads at 86% on time; JetBlue Airways trails at 81%.
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 ~16 min. Best time: 4 AM (about 5 min).
Arriving at MKE
81% on timeWhen flights into MKE are late, the average delay is 70 minutes. Build buffer if you have ground plans.
If connecting at MKE: TSA is ~21 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Republic Airways owes you — refund rights, action plan, complaint email. Free.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.