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Flight Reliability

AA 5151 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 5151 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

83%
Arrive within 15 minutes
3 min
Average arrival delay
1.9%
Cancelled
12 min early
Median arrival delay

Based on 359 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(55 flights)
  • Tue81%(37 flights)
  • Wed84%(51 flights)
  • Thu79%(58 flights)
  • Fri82%(55 flights)
  • Sat85%(40 flights)
  • Sun89%(56 flights)
On-time by departure window
  • 3–6 AM87%(53 flights)
  • 6–9 AM82%(39 flights)
  • 9 AM–12 PM76%(50 flights)
  • 12–3 PM85%(110 flights)
  • 3–6 PM84%(63 flights)
  • 6–9 PM84%(37 flights)
On-time trend by month
77%
May

Jun 82% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%28
July 202567%27
August 202588%16
September 2025100%29
October 202591%21
November 202592%25
December 202573%26
January 202688%24
February 202678%18
March 202691%22
April 202683%54
May 202677%62
Departures on time
82%
Diverted
0%
Flights flown
352
Months covered
12

Keep nerding

Based on 359 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.