BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
MKE→BOS

Milwaukee, WI (MKE) to Boston, MA (BOS) flight delay odds

67.5% of 741 official scheduled MKE-to-BOS flights arrived on time; 22.0% arrived at least 30 minutes late and 3.2% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
67.5%arrived on time
22.0%30+ min late
3.2%cancelled
741scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late13.0%all scheduled flights
120+ minutes late3.5%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+10.6 mincompleted flights

Which departure time was most reliable for MKE to BOS?

Among qualifying MKE-to-BOS departure window results, Early morning had the highest on-time rate: 75.0% of 96 flights. Afternoon was lowest at 62.1% across 206 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning9675.0%11.5%6.2%
Late morning20763.8%25.6%1.9%
Afternoon20662.1%28.2%1.5%
Evening23272.4%17.7%4.7%

Which weekday was most reliable for MKE to BOS?

Among qualifying MKE-to-BOS weekday results, Sunday had the highest on-time rate: 71.7% of 99 flights. Wednesday was lowest at 64.0% across 111 flights.

DayFlightsOn time30+ minCancelled
Monday11564.3%20.9%7.8%
Tuesday11369.0%23.0%2.7%
Wednesday11164.0%22.5%2.7%
Thursday11364.6%22.1%3.5%
Friday11169.4%24.3%0.9%
Saturday7970.9%16.5%2.5%
Sunday9971.7%23.2%2.0%

Which airline was most reliable for MKE to BOS?

Among qualifying MKE-to-BOS airline results, Republic Airways had the highest on-time rate: 70.1% of 549 flights. JetBlue Airways was lowest at 59.9% across 172 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways54970.1%19.5%4.0%
JetBlue Airways17259.9%30.8%0.6%
Delta Air Lines2060.0%15.0%5.0%

Which month was most reliable for MKE to BOS?

Among qualifying MKE-to-BOS month results, March 2026 had the highest on-time rate: 93.8% of 48 flights. September 2025 was lowest at 46.2% across 78 flights.

MonthFlightsOn time30+ minCancelled
July 20258549.4%37.6%3.5%
August 20258775.9%17.2%1.1%
September 20257846.2%38.5%1.3%
October 20258247.6%40.2%2.4%
November 20255470.4%13.0%13.0%
December 20253268.8%15.6%3.1%
January 20263161.3%22.6%9.7%
February 20262878.6%7.1%7.1%
March 20264893.8%2.1%4.2%
April 20265176.5%13.7%0.0%
May 20268377.1%19.3%0.0%
June 20268282.9%9.8%2.4%

What drove MKE to BOS delay minutes?

National airspace was the largest recorded MKE-to-BOS delay category, accounting for 42.7% of 14,340 BTS-attributed delay minutes during July 2025–June 2026.

Airline24.2%
Late aircraft27.3%
National airspace42.7%
Weather5.8%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.