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Route Reliability

Washington → Milwaukee

DCA–MKE · 634 miles · Ronald Reagan Washington National Airport to Milwaukee Mitchell International Airport

66
Usually Fine
WanderNerd Reliability Score
78%
Arrive within 15 minutes
8 min
Average arrival delay
4.9%
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 Airlines84%683 flights
  2. 2.American Airlines72%666 flights

What the data says

Morning flights do better here.

DCA–MKE flights departing between 6–9 AM arrived on time 94% of the time, versus 69% between 9 PM–12 AM.

Thursday is the weak spot.

DCA–MKE flights arrived on time 82% of the time on Saturdays. On Thursdays: 75%.

Southwest Airlines runs this route best.

Southwest Airlines arrived on time 84% of the time on this route; American Airlines managed 72%.

Keep a backup plan handy.

This route was cancelled 4.9% 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
  • Mon79%(192 flights)
  • Tue81%(197 flights)
  • Wed79%(201 flights)
  • Thu75%(191 flights)
  • Fri75%(190 flights)
  • Sat82%(117 flights)
  • Sun76%(192 flights)
On-time by departure window
  • 6–9 AM94%(185 flights)
  • 9 AM–12 PM84%(306 flights)
  • 12–3 PM77%(153 flights)
  • 3–6 PM73%(339 flights)
  • 6–9 PM70%(33 flights)
  • 9 PM–12 AM69%(264 flights)
On-time trend by month
82%
May

Jun 69% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%101
July 202565%108
August 202580%112
September 202584%111
October 202585%116
November 202580%104
December 202569%106
January 202687%103
February 202678%94
March 202675%103
April 202681%110
May 202682%112

Same trip, other airports

Keep nerding

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.