Skip to content

Flights Boston → Milwaukee

BOS → MKE

27.3
Average risk (Medium)
84%
On-time
8 min
Average delay
3.7%
Cancellations
1
Airlines

Route overview

The flight route from Boston to Milwaukee has an on-time performance rate of 85%, with flights typically experiencing a mean delay of just 3.5 minutes. Over the course of a year, this route sees 127 flights, connecting to a destination airport that serves approximately 6,015,731 passengers annually.

Your rights on this US flight (DOT)

US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.

US flight refund rules & checker →

General information, not legal advice.

The Boston (BOS) → Milwaukee (MKE) route is operated by Southwest Airlines. Across 161 flights monitored in recent months, 84% arrived on time (within 15 min of schedule), with an average delay of 8 minutes. The cancellation rate is 3.73%. FlightGuard's average computed risk is 27.3/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Milwaukee the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Boston the average ATFM delay is 2.0 minutes.

Heading to Milwaukee: what to expect in this direction

Flying from Boston (BOS) to Milwaukee (MKE) heads west for about 1,380 km, a flight time of roughly 2h 9m.

Departures from Boston on this leg cluster in the midday window: about 49% of BOS-MKE flights take off then.

Air-traffic congestion: departing Boston the average ATFM delay is 2.0 min (atfm); arriving into Milwaukee it is 2.0 min (atfm).

Across 161 tracked BOS-MKE flights, 84% left on time with an average delay of 8 min and a 3.7% cancellation rate.

Route facts

Time difference
1h behind
Arrival (dest. local time)
09:09
Elevation MKE
723 ft
Est. CO₂/passenger
~138 kg

Flexible on this trip? Compare flights

Airline punctuality on this route

Airline On-time Average delay Cancellations
Southwest Airlines (WN) 73% 6 min 3.1%

Airlines operating BOS-MKE

Frequently asked questions about BOS-MKE

On the Boston (BOS) -> Milwaukee (MKE) route, on-time performance is 84% with an average delay of 8 minutes, based on 161 tracked flights.

The cancellation rate on Boston-Milwaukee is 3.73% across 161 monitored flights.

The route is operated by 1 airline: Southwest Airlines.

Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Milwaukee, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.

US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.