Which airline is most reliable for BOS (Boston) to MKE (Milwaukee)?

The most reliable airline on the BOS to MKE route is Republic Airways, with an on-time arrival rate of 85%.

How often are flights delayed from BOS to MKE?

About 17% of flights from BOS to MKE experience delays. 83% arrive on time.

What's the average delay on BOS to MKE flights?

When flights from BOS to MKE are delayed, the average delay is approximately 59 minutes.

Is a short connection safe after a BOS to MKE flight?

With 83% of BOS to MKE flights arriving on time and an average delay of 59 minutes when late, a connection under 60 minutes at MKE is risky. We recommend at least 75-90 minutes for domestic connections after this route.

BOS → MKE

BOS (Boston) to MKE (Milwaukee)

BOS (Boston) to MKE (Milwaukee) flights arrive on time 83% of the time. The most reliable airline on this route is Republic Airways at 85%. The average delay is 59 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated August 2026.

BOS → MKE on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 83% of flights arrive on schedule.

Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Accurate?

Republic Airways is significantly more reliable on this route at 85% on time vs Delta Air Lines at 53%.

Airline Comparison

Republic Airways leads at 85% on time; Delta Air Lines trails at 53%.

Accurate?

Good to know

Departing from BOS

77% on time

Expect ~21 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).

More about BOS →

Arriving at MKE

79% on time

When flights into MKE are late, the average delay is 75 minutes. Build buffer if you have ground plans.

If connecting at MKE: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.

More about MKE →Connection times at MKE →

Flight cancelled or delayed?

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Flying out of BOS? We'll brief you.

Delays, TSA, weather, gates — we'll let you know if something matters.

BOS Airport MKE Airport

Check the return: MKE → BOS

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