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Flight Reliability

AA 523 · American Airlines

Chicago → Washington (ORD–DCA)97% of its flights flew this route. The rest (DCA–ORD) are included in these numbers.

75
Usually Fine
WanderNerd Reliability Score
81%
Arrive within 15 minutes
6 min
Average arrival delay
3.4%
Cancelled
6 min early
Median arrival delay

Based on 323 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

AA 523 departing between 6–9 AM arrived on time 86% of the time, versus 43% between 3–6 PM.

Mondays have been rough.

AA 523 arrived on time 89% of the time on Saturdays and just 71% on Mondays. That gap is worth planning around.

Better than the ORD–DCA route average.

AA 523 arrived on time 81% of the time, versus 69% across the ORD–DCA route.

A bit ahead of the American Airlines network.

AA 523 arrived on time 81% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon71%(44 flights)
  • Tue82%(45 flights)
  • Wed80%(46 flights)
  • Thu86%(44 flights)
  • Fri77%(44 flights)
  • Sat89%(44 flights)
  • Sun80%(45 flights)
On-time by departure window
  • 6–9 AM86%(255 flights)
  • 9 AM–12 PM72%(29 flights)
  • 3–6 PM43%(28 flights)
On-time trend by month
79%
May

Jun 90% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%29
July 202593%30
August 202594%31
September 202583%30
October 202586%29
November 202593%28
December 202569%16
January 202686%29
February 202673%11
March 202644%23
April 202659%27
May 202679%29
Departures on time
87%
Diverted
0%
Flights flown
312
Months covered
12

Same route, other flights

Keep nerding

Based on 323 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.