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Flight Reliability

AA 4242 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4242 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

78%
Arrive within 15 minutes
7 min
Average arrival delay
4.2%
Cancelled
6 min early
Median arrival delay

Based on 430 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(59 flights)
  • Tue81%(57 flights)
  • Wed82%(55 flights)
  • Thu67%(61 flights)
  • Fri84%(61 flights)
  • Sat75%(51 flights)
  • Sun84%(63 flights)
On-time by departure window
  • 6–9 AM85%(95 flights)
  • 9 AM–12 PM89%(27 flights)
  • 12–3 PM84%(62 flights)
  • 3–6 PM74%(95 flights)
  • 6–9 PM72%(128 flights)
On-time trend by month
87%
May

Jun 89% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202589%28
July 202582%28
August 202570%57
September 202597%60
October 2025100%10
November 202574%43
December 202552%48
January 202670%10
February 202679%14
March 202674%23
April 202680%49
May 202687%37
Departures on time
81%
Diverted
1.2%
Flights flown
407
Months covered
12

Keep nerding

Based on 430 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.