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Flight Reliability

AA 4089 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4089 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
10 min
Average arrival delay
3.2%
Cancelled
4 min early
Median arrival delay

Based on 314 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(47 flights)
  • Tue77%(30 flights)
  • Wed71%(44 flights)
  • Thu84%(45 flights)
  • Fri65%(49 flights)
  • Sat78%(40 flights)
  • Sun73%(48 flights)
On-time by departure window
  • 6–9 AM89%(100 flights)
  • 9 AM–12 PM73%(22 flights)
  • 3–6 PM72%(128 flights)
  • 6–9 PM62%(53 flights)
On-time trend by month
71%
May

Aug 92% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202592%24
September 202587%30
October 202594%31
November 202571%17
December 202575%16
February 202668%34
March 202671%55
April 202666%50
May 202671%42
Departures on time
82%
Diverted
0.3%
Flights flown
303
Months covered
10

Keep nerding

Based on 314 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.