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WanderNerd

Flight Reliability

AA 6251 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 6251 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

63%
Arrive within 15 minutes
44 min
Average arrival delay
1.1%
Cancelled
5 min
Median arrival delay

Based on 361 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon54%(56 flights)
  • Tue83%(46 flights)
  • Wed60%(47 flights)
  • Thu63%(49 flights)
  • Fri61%(51 flights)
  • Sat58%(50 flights)
  • Sun62%(58 flights)
On-time by departure window
  • 6–9 AM71%(136 flights)
  • 9 AM–12 PM71%(75 flights)
  • 12–3 PM64%(74 flights)
  • 3–6 PM46%(39 flights)
  • 6–9 PM24%(33 flights)
On-time trend by month
63%
May

Jun 71% → May 63% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%31
July 202568%31
August 202574%31
September 202555%20
October 202577%30
November 202543%28
December 20259%23
March 202669%48
April 202672%60
May 202663%51
Departures on time
65%
Diverted
0%
Flights flown
357
Months covered
11

Based on 361 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.