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Flight Reliability

AA 5631 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 5631 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

73%
Arrive within 15 minutes
24 min
Average arrival delay
4.6%
Cancelled
7 min early
Median arrival delay

Based on 351 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(49 flights)
  • Tue79%(47 flights)
  • Wed72%(46 flights)
  • Thu74%(49 flights)
  • Fri71%(45 flights)
  • Sat67%(49 flights)
  • Sun72%(50 flights)
On-time by departure window
  • 6–9 AM98%(47 flights)
  • 9 AM–12 PM69%(71 flights)
  • 12–3 PM61%(77 flights)
  • 3–6 PM73%(138 flights)
  • 9 PM–12 AM(2 flights)
On-time trend by month
70%
May

Jun 64% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%50
July 202555%56
August 202586%36
September 2025100%30
December 202546%24
January 202690%10
February 202675%16
March 202676%29
April 202683%52
May 202670%27
Departures on time
75%
Diverted
0%
Flights flown
335
Months covered
11

Based on 351 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.