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

Milwaukee, WI (MKE) to Washington, DC (DCA) flight delay odds

72.3% of 1,349 official scheduled MKE-to-DCA flights arrived on time; 16.5% arrived at least 30 minutes late and 3.6% 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
72.3%arrived on time
16.5%30+ min late
3.6%cancelled
1,349scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.3%all scheduled flights
120+ minutes late4.1%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+15.3 mincompleted flights

Which departure time was most reliable for MKE to DCA?

Among qualifying MKE-to-DCA departure window results, Late morning had the highest on-time rate: 83.8% of 130 flights. Evening was lowest at 54.3% across 197 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning56981.9%7.6%4.7%
Late morning13083.8%9.2%2.3%
Afternoon45364.9%24.3%3.5%
Evening19754.3%28.9%1.5%

Which weekday was most reliable for MKE to DCA?

Among qualifying MKE-to-DCA weekday results, Saturday had the highest on-time rate: 75.6% of 123 flights. Friday was lowest at 69.8% across 202 flights.

DayFlightsOn time30+ minCancelled
Monday20474.0%14.7%4.4%
Tuesday21071.9%14.8%5.2%
Wednesday20671.8%21.4%1.5%
Thursday20173.6%18.4%1.0%
Friday20269.8%17.3%3.0%
Saturday12375.6%13.0%5.7%
Sunday20370.9%14.3%5.4%

Which airline was most reliable for MKE to DCA?

Among qualifying MKE-to-DCA airline results, Southwest Airlines had the highest on-time rate: 73.4% of 683 flights. PSA Airlines was lowest at 71.5% across 659 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines68373.4%16.0%1.9%
PSA Airlines65971.5%16.8%5.5%
Republic Airways757.1%28.6%0.0%

Which month was most reliable for MKE to DCA?

Among qualifying MKE-to-DCA month results, September 2025 had the highest on-time rate: 83.0% of 112 flights. March 2026 was lowest at 56.5% across 115 flights.

MonthFlightsOn time30+ minCancelled
July 202512069.2%13.3%9.2%
August 202511580.9%12.2%0.9%
September 202511283.0%10.7%0.0%
October 202511675.9%18.1%0.0%
November 202511071.8%20.9%2.7%
December 202510666.0%23.6%0.9%
January 202611567.8%14.8%9.6%
February 20269869.4%19.4%2.0%
March 202611556.5%24.3%11.3%
April 202611276.8%10.7%0.0%
May 202611476.3%14.9%0.9%
June 202611674.1%15.5%5.2%

What drove MKE to DCA delay minutes?

Airline was the largest recorded MKE-to-DCA delay category, accounting for 40.6% of 29,888 BTS-attributed delay minutes during July 2025–June 2026.

Airline40.6%
Late aircraft33.9%
National airspace23.7%
Weather1.8%
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.