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Flight Reliability

AA 1631 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1631 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
12 min
Average arrival delay
2.5%
Cancelled
10 min early
Median arrival delay

Based on 360 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(52 flights)
  • Tue92%(51 flights)
  • Wed76%(53 flights)
  • Thu88%(56 flights)
  • Fri83%(53 flights)
  • Sat87%(38 flights)
  • Sun89%(47 flights)
On-time by departure window
  • 3–6 AM—(5 flights)
  • 6–9 AM91%(190 flights)
  • 9 AM–12 PM76%(143 flights)
  • 6–9 PM42%(12 flights)
On-time trend by month
87%
May

Jun 68% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%28
July 202570%30
August 202575%28
September 202580%46
October 202579%33
November 202597%29
December 202590%30
January 202693%29
February 202689%27
March 202693%30
April 202671%17
May 202687%23
Departures on time
85%
Diverted
0.3%
Flights flown
350
Months covered
12

Keep nerding

Based on 360 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.