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Flight Reliability

AA 2509 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 2509 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

76%
Arrive within 15 minutes
23 min
Average arrival delay
1.5%
Cancelled
4 min early
Median arrival delay

Based on 475 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(68 flights)
  • Tue83%(65 flights)
  • Wed73%(69 flights)
  • Thu74%(68 flights)
  • Fri81%(68 flights)
  • Sat82%(56 flights)
  • Sun63%(72 flights)
On-time by departure window
  • 6–9 AM91%(69 flights)
  • 9 AM–12 PM79%(176 flights)
  • 12–3 PM72%(131 flights)
  • 3–6 PM62%(53 flights)
  • 6–9 PM62%(37 flights)
On-time trend by month
66%
May

Jun 76% → May 66% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%29
July 202574%31
August 202577%31
September 202572%29
October 202577%31
November 202590%30
December 202587%60
January 202647%32
February 202656%27
March 202690%49
April 202679%58
May 202666%59
Departures on time
78%
Diverted
0.4%
Flights flown
466
Months covered
12

Keep nerding

Based on 475 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.