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Flight Reliability

AA 5646 · American Airlines

Milwaukee → Washington (MKE–DCA)95% of its flights flew this route. The rest (LBB–DFW, DFW–JAN) are included in these numbers.

61
A Little Dicey
WanderNerd Reliability Score
85%
Arrive within 15 minutes
15 min
Average arrival delay
6.9%
Cancelled
9 min early
Median arrival delay

Based on 350 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 3–6 AM arrived on time 89% of the time, against 84% between 6–9 AM.

Wednesdays have been rough.

AA 5646 arrived on time 89% of the time on Tuesdays and just 74% on Wednesdays. That gap is worth planning around.

Better than the MKE–DCA route average.

AA 5646 arrived on time 85% of the time, versus 75% across the MKE–DCA route.

Better than the American Airlines network average.

AA 5646 arrived on time 85% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon89%(45 flights)
  • Tue89%(46 flights)
  • Wed74%(50 flights)
  • Thu84%(50 flights)
  • Fri83%(47 flights)
  • Sat87%(45 flights)
  • Sun88%(42 flights)
On-time by departure window
  • 3–6 AM89%(44 flights)
  • 6–9 AM84%(277 flights)
  • 3–6 PM—(1 flights)
  • 6–9 PM—(3 flights)
On-time trend by month
86%
May

Jun 93% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%27
July 202592%26
August 202583%30
September 202590%30
October 202590%31
November 202596%23
December 202559%22
January 202682%27
February 202665%26
March 202679%24
April 202693%30
May 202686%29
Departures on time
91%
Diverted
0.3%
Flights flown
325
Months covered
12

Same route, other flights

Keep nerding

Based on 350 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.