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Flight Reliability

AA 1831 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1831 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

71%
Arrive within 15 minutes
25 min
Average arrival delay
1.8%
Cancelled
5 min early
Median arrival delay

Based on 498 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon62%(73 flights)
  • Tue80%(61 flights)
  • Wed87%(69 flights)
  • Thu73%(73 flights)
  • Fri65%(74 flights)
  • Sat60%(63 flights)
  • Sun70%(73 flights)
On-time by departure window
  • 6–9 AM80%(193 flights)
  • 9 AM–12 PM65%(43 flights)
  • 12–3 PM66%(162 flights)
  • 3–6 PM72%(36 flights)
  • 6–9 PM56%(52 flights)
On-time trend by month
87%
May

Jun 80% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202577%30
August 202570%56
September 202553%36
October 202566%55
November 202576%29
December 202579%47
January 202691%34
February 202671%44
March 202651%59
April 202669%29
May 202687%37
Departures on time
70%
Diverted
0.6%
Flights flown
486
Months covered
12

Keep nerding

Based on 498 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.