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WanderNerd

Flight Reliability

AA 4940 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4940 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

72%
Arrive within 15 minutes
21 min
Average arrival delay
0.6%
Cancelled
5 min early
Median arrival delay

Based on 334 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(47 flights)
  • Tue83%(48 flights)
  • Wed72%(47 flights)
  • Thu66%(47 flights)
  • Fri75%(48 flights)
  • Sat81%(47 flights)
  • Sun65%(48 flights)
On-time by departure window
  • 6–9 AM77%(180 flights)
  • 9 AM–12 PM74%(39 flights)
  • 12–3 PM58%(74 flights)
  • 6–9 PM77%(39 flights)
On-time trend by month
52%
May

Jun 59% → May 52% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%29
July 202548%31
August 202590%31
September 202580%30
October 202561%31
November 202590%29
December 202577%30
January 202690%31
February 202689%28
April 202650%24
May 202652%31
Departures on time
74%
Diverted
0%
Flights flown
332
Months covered
12

Based on 334 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.