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Flight Reliability

AA 3257 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3257 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
1 min
Average arrival delay
0.5%
Cancelled
10 min early
Median arrival delay

Based on 402 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(55 flights)
  • Tue88%(48 flights)
  • Wed87%(55 flights)
  • Thu78%(58 flights)
  • Fri76%(62 flights)
  • Sat73%(56 flights)
  • Sun73%(62 flights)
On-time by departure window
  • 6–9 AM89%(116 flights)
  • 9 AM–12 PM88%(49 flights)
  • 12–3 PM75%(201 flights)
  • 3–6 PM62%(13 flights)
  • 6–9 PM53%(17 flights)
On-time trend by month
73%
May

Aug 68% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202568%25
September 202570%30
October 202573%30
November 202590%51
December 202581%47
January 202684%61
February 202682%55
March 202679%62
April 202674%19
May 202673%15
Departures on time
78%
Diverted
1.0%
Flights flown
396
Months covered
11

Keep nerding

Based on 402 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.