Skip to content
WanderNerd

Flight Reliability

AA 1531 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1531 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
4 min
Average arrival delay
1.2%
Cancelled
8 min early
Median arrival delay

Based on 419 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(60 flights)
  • Tue80%(61 flights)
  • Wed83%(54 flights)
  • Thu87%(60 flights)
  • Fri85%(61 flights)
  • Sat87%(54 flights)
  • Sun72%(64 flights)
On-time by departure window
  • 6–9 AM91%(126 flights)
  • 9 AM–12 PM93%(130 flights)
  • 12–3 PM74%(61 flights)
  • 3–6 PM53%(51 flights)
  • 6–9 PM(3 flights)
  • 9 PM–12 AM86%(43 flights)
On-time trend by month
75%
May

Jun 96% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202596%56
July 202589%62
August 202591%32
September 202585%26
October 202560%30
November 202563%19
December 202587%31
January 202687%30
February 202689%28
March 202684%31
April 202672%29
May 202675%40
Departures on time
80%
Diverted
0%
Flights flown
414
Months covered
12

Based on 419 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.