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

Baltimore, MD (BWI) to Milwaukee, WI (MKE) flight delay odds

Historically, 74.8% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 832 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
74.8%arrived on time
14.1%30+ min late
1.6%cancelled
832scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.0%all scheduled flights
120+ minutes late1.8%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+6.2 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning16893.5%3.6%0.6%
Late morning17782.5%7.3%1.7%
Afternoon14475.7%16.7%1.4%
Evening10864.8%15.7%1.9%
Night23559.6%24.3%2.1%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday13075.4%14.6%1.5%
Tuesday11585.2%9.6%0.0%
Wednesday11176.6%12.6%0.9%
Thursday12573.6%13.6%0.0%
Friday13176.3%11.5%3.8%
Saturday9674.0%14.6%1.0%
Sunday12462.9%21.8%3.2%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines83074.7%14.1%1.6%
Spirit Airlines2100.0%0.0%0.0%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 20259065.6%27.8%0.0%
August 20257982.3%8.9%1.3%
September 20257892.3%5.1%0.0%
October 20258979.8%11.2%0.0%
November 20257477.0%14.9%1.4%
December 20257561.3%18.7%2.7%
January 20264479.5%6.8%9.1%
February 20264383.7%4.7%4.7%
March 20265673.2%14.3%3.6%
April 20265976.3%11.9%0.0%
May 20266267.7%16.1%0.0%
June 20268363.9%19.3%1.2%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline41.2%
Late aircraft36.8%
National airspace14.8%
Weather6.8%
Security0.4%
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.