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Flight Reliability

AA 4457 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4457 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

73%
Arrive within 15 minutes
15 min
Average arrival delay
4.1%
Cancelled
6 min early
Median arrival delay

Based on 291 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(44 flights)
  • Tue75%(44 flights)
  • Wed73%(40 flights)
  • Thu67%(43 flights)
  • Fri71%(44 flights)
  • Sat77%(22 flights)
  • Sun69%(42 flights)
On-time by departure window
  • 6–9 AM96%(27 flights)
  • 9 AM–12 PM78%(76 flights)
  • 3–6 PM64%(11 flights)
  • 6–9 PM67%(165 flights)
On-time trend by month
81%
May

Jun 94% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202594%16
July 202581%31
August 202568%31
October 202596%26
November 202572%25
December 202563%24
January 202665%26
February 202686%22
March 202642%24
April 202658%26
May 202681%26
Departures on time
75%
Diverted
0%
Flights flown
279
Months covered
12

Keep nerding

Based on 291 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.