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WanderNerd

Flight Reliability

AA 4253 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4253 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

79%
Arrive within 15 minutes
4 min
Average arrival delay
5.1%
Cancelled
8 min early
Median arrival delay

Based on 311 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(45 flights)
  • Tue90%(40 flights)
  • Wed84%(43 flights)
  • Thu74%(39 flights)
  • Fri73%(45 flights)
  • Sat80%(39 flights)
  • Sun74%(42 flights)
On-time by departure window
  • 3–6 AM91%(21 flights)
  • 6–9 AM87%(47 flights)
  • 12–3 PM82%(28 flights)
  • 3–6 PM76%(55 flights)
  • 6–9 PM74%(142 flights)
On-time trend by month
70%
Apr

Jun 76% → Apr 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%25
July 202561%28
August 202581%53
September 202578%32
October 202577%31
December 202590%29
January 202689%28
February 202680%10
March 202674%43
April 202670%10
Departures on time
78%
Diverted
0.6%
Flights flown
293
Months covered
12

Based on 311 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.