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Flight Reliability

AA 4909 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4909 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

74%
Arrive within 15 minutes
17 min
Average arrival delay
1.6%
Cancelled
4 min early
Median arrival delay

Based on 378 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(52 flights)
  • Tue83%(53 flights)
  • Wed80%(51 flights)
  • Thu74%(54 flights)
  • Fri67%(55 flights)
  • Sat71%(56 flights)
  • Sun74%(50 flights)
On-time by departure window
  • 9 AM–12 PM91%(64 flights)
  • 12–3 PM64%(144 flights)
  • 3–6 PM83%(128 flights)
  • 6–9 PM57%(35 flights)
On-time trend by month
74%
May

Jun 31% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202531%29
July 202568%28
August 202592%37
September 202586%28
October 202557%30
November 202583%29
December 202576%29
January 202687%31
February 202682%28
March 202687%31
April 202666%29
May 202674%42
Departures on time
74%
Diverted
0.3%
Flights flown
371
Months covered
12

Keep nerding

Based on 378 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.