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Flight Reliability

AA 4531 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4531 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

91%
Arrive within 15 minutes
5 min early
Average arrival delay
2.9%
Cancelled
11 min early
Median arrival delay

Based on 312 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon91%(43 flights)
  • Tue93%(44 flights)
  • Wed91%(43 flights)
  • Thu89%(45 flights)
  • Fri91%(43 flights)
  • Sat93%(41 flights)
  • Sun89%(44 flights)
On-time by departure window
  • 3–6 AM83%(54 flights)
  • 6–9 AM93%(242 flights)
  • 9 AM–12 PM—(7 flights)
On-time trend by month
82%
May

Jun 97% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%29
July 2025100%30
August 202593%27
September 2025100%30
October 202597%31
November 202593%27
December 202590%30
January 202682%28
February 202679%28
March 202681%26
May 202682%11
Departures on time
96%
Diverted
0%
Flights flown
303
Months covered
12

Keep nerding

Based on 312 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.