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Flight Reliability

AA 3751 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3751 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

88%
Arrive within 15 minutes
2 min early
Average arrival delay
2.2%
Cancelled
7 min early
Median arrival delay

Based on 273 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(43 flights)
  • Tue91%(34 flights)
  • Wed87%(39 flights)
  • Thu88%(41 flights)
  • Fri79%(43 flights)
  • Sat94%(33 flights)
  • Sun94%(33 flights)
On-time by departure window
  • 6–9 AM93%(200 flights)
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM—(1 flights)
  • 3–6 PM83%(48 flights)
  • 6–9 PM56%(16 flights)
On-time trend by month
91%
May

Jun 97% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%29
July 202597%30
August 202597%30
September 202596%27
October 202590%31
December 202587%15
January 202686%28
February 202684%25
March 202664%33
May 202691%11
Departures on time
93%
Diverted
0.4%
Flights flown
266
Months covered
12

Keep nerding

Based on 273 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.