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Flight Reliability

AA 1243 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1243 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

67%
Arrive within 15 minutes
17 min
Average arrival delay
3.3%
Cancelled
0 min
Median arrival delay

Based on 364 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(48 flights)
  • Tue68%(50 flights)
  • Wed64%(50 flights)
  • Thu65%(51 flights)
  • Fri70%(50 flights)
  • Sat65%(51 flights)
  • Sun62%(50 flights)
On-time by departure window
  • 6–9 AM74%(176 flights)
  • 6–9 PM59%(174 flights)
On-time trend by month
69%
May

Jun 52% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%29
July 202537%30
August 202553%30
September 202561%28
October 202574%31
November 202587%30
December 202555%31
January 202666%29
February 202670%23
March 202694%31
April 202683%29
May 202669%29
Departures on time
71%
Diverted
0.5%
Flights flown
350
Months covered
12

Keep nerding

Based on 364 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.