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Flight Reliability

AA 4351 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4351 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

75%
Arrive within 15 minutes
6 min
Average arrival delay
3.0%
Cancelled
9 min early
Median arrival delay

Based on 370 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(57 flights)
  • Tue69%(49 flights)
  • Wed74%(57 flights)
  • Thu83%(60 flights)
  • Fri83%(53 flights)
  • Sat76%(37 flights)
  • Sun67%(45 flights)
On-time by departure window
  • 3–6 AM—(6 flights)
  • 6–9 AM85%(65 flights)
  • 9 AM–12 PM76%(66 flights)
  • 12–3 PM91%(42 flights)
  • 3–6 PM67%(117 flights)
  • 6–9 PM68%(57 flights)
  • 9 PM–12 AM—(5 flights)
On-time trend by month
73%
May

Jun 83% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%29
July 202592%26
August 202587%30
September 202593%29
November 202572%32
December 202539%39
January 202664%45
February 202682%33
March 202679%57
April 202674%19
May 202673%11
Departures on time
79%
Diverted
0.3%
Flights flown
358
Months covered
12

Keep nerding

Based on 370 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.