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WanderNerd

Flight Reliability

AA 5437 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 5437 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

70%
Arrive within 15 minutes
20 min
Average arrival delay
3.4%
Cancelled
5 min early
Median arrival delay

Based on 356 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon62%(50 flights)
  • Tue68%(50 flights)
  • Wed75%(47 flights)
  • Thu64%(50 flights)
  • Fri69%(45 flights)
  • Sat76%(50 flights)
  • Sun77%(51 flights)
On-time by departure window
  • 6–9 AM59%(70 flights)
  • 9 AM–12 PM78%(69 flights)
  • 12–3 PM61%(31 flights)
  • 3–6 PM83%(77 flights)
  • 6–9 PM90%(19 flights)
  • 9 PM–12 AM58%(77 flights)
On-time trend by month
46%
May

Jun 62% → May 46% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%29
July 202557%30
August 202579%29
September 202593%58
October 202577%62
November 202546%22
December 202571%31
January 202662%21
February 202665%17
April 202656%18
May 202646%22
Departures on time
70%
Diverted
0.3%
Flights flown
343
Months covered
12

Based on 356 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.