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WanderNerd

Route Reliability

Milwaukee → Washington

MKEDCA · 634 miles · Milwaukee Mitchell International Airport to Ronald Reagan Washington National Airport

63
A Little Dicey
WanderNerd Reliability Score
75%
Arrive within 15 minutes
17 min
Average arrival delay
3.7%
Cancelled
1,349
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Southwest Airlines76%683 flights
  2. 2.American Airlines75%666 flights

What the data says

Morning flights do better here.

MKE–DCA flights departing between 6–9 AM arrived on time 87% of the time, versus 46% between 6–9 PM.

Saturday comes out ahead.

A small edge: 80% on time on Saturdays against 74% on Fridays.

Not much between Southwest Airlines and American Airlines.

On this route they all land within 75% to 76% on time. Pick on schedule and price.

Keep a backup plan handy.

This route was cancelled 3.7% of the time. Typical for U.S. flights is around 1–2%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon77%(192 flights)
  • Tue77%(195 flights)
  • Wed75%(200 flights)
  • Thu74%(197 flights)
  • Fri74%(196 flights)
  • Sat80%(116 flights)
  • Sun74%(195 flights)
On-time by departure window
  • 3–6 AM85%(48 flights)
  • 6–9 AM87%(482 flights)
  • 9 AM–12 PM86%(142 flights)
  • 12–3 PM67%(314 flights)
  • 3–6 PM63%(244 flights)
  • 6–9 PM46%(61 flights)
On-time trend by month
79%
May

Jun 70% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%105
July 202579%107
August 202582%114
September 202585%112
October 202578%116
November 202575%107
December 202568%105
January 202676%104
February 202673%96
March 202664%102
April 202677%112
May 202679%111

Based on 1,349 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.