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Flight Reliability

AA 4626 · American Airlines

Indianapolis → Washington (IND–DCA)

85
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
1 min
Average arrival delay
1.1%
Cancelled
3 min early
Median arrival delay

Based on 358 historical flights. Data through May 2026.

What the data says

Wednesdays have been rough.

AA 4626 arrived on time 98% of the time on Saturdays and just 75% on Wednesdays. That gap is worth planning around.

Better than the IND–DCA route average.

AA 4626 arrived on time 83% of the time, versus 75% across the IND–DCA route.

A bit ahead of the American Airlines network.

AA 4626 arrived on time 83% of the time, versus 77% across the American Airlines network.

Recent months have been rougher.

AA 4626 arrived on time 64% of the time over the last three months in the data, compared with 84% in the three months before that.

The breakdown

On-time by weekday
  • Mon78%(50 flights)
  • Tue76%(50 flights)
  • Wed75%(52 flights)
  • Thu82%(51 flights)
  • Fri79%(52 flights)
  • Sat98%(47 flights)
  • Sun92%(51 flights)
On-time by departure window
  • 3–6 AM—(2 flights)
  • 6–9 AM83%(351 flights)
On-time trend by month
74%
May

Jun 93% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%29
July 202584%31
August 202593%30
September 202597%30
October 202594%31
November 202589%27
December 202582%28
January 202690%29
February 202681%26
March 202665%31
April 202653%30
May 202674%31
Departures on time
94%
Diverted
0.3%
Flights flown
353
Months covered
12

Same route, other flights

Keep nerding

Based on 358 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.