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Flight Reliability

AA 1242 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1242 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

77%
Arrive within 15 minutes
18 min
Average arrival delay
2.7%
Cancelled
5 min early
Median arrival delay

Based on 478 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(64 flights)
  • Tue88%(69 flights)
  • Wed89%(71 flights)
  • Thu64%(66 flights)
  • Fri70%(67 flights)
  • Sat73%(55 flights)
  • Sun79%(71 flights)
On-time by departure window
  • 6–9 AM77%(66 flights)
  • 9 AM–12 PM76%(96 flights)
  • 12–3 PM82%(227 flights)
  • 3–6 PM80%(20 flights)
  • 6–9 PM57%(14 flights)
  • 9 PM–12 AM53%(40 flights)
On-time trend by month
48%
May

Jun 83% → May 48% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%36
July 202584%37
August 202588%49
September 202587%60
October 202586%44
November 202558%31
December 202568%40
January 202684%31
February 202685%26
March 202671%49
April 202661%31
May 202648%29
Departures on time
74%
Diverted
0.4%
Flights flown
463
Months covered
12

Keep nerding

Based on 478 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.