Flight Check

Best Airline: BOS to MKE

Boston to Milwaukee — airline reliability comparison

Republic Airways is the most reliable airline on the BOS to MKE route with a 87% on-time rate, compared to Delta Air Lines at 53%. Based on 1,668 flights tracked.

This route involves weather-prone airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Republic Airways87%
JetBlue Airways79%
SkyWest Airlines78%
Delta Air Lines53%

BOS to MKE Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest87%2.4%51m1,668
JetBlue AirwaysB679%0.3%63m875
SkyWest AirlinesOO78%2.1%84m397
Delta Air LinesDLWorst53%5.6%108m18

Route Overview

83%
Overall On-Time
65m
Avg Delay
1.7%
Cancel Rate
2,974
Total Flights
BOS to MKE Route DetailsReturn: MKE to BOS
BOS AirportMKE Airport

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Data last updated October 2026. Source: Bureau of Transportation Statistics.