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Flight Reliability

AA 4459 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4459 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

73%
Arrive within 15 minutes
13 min
Average arrival delay
4.8%
Cancelled
2 min early
Median arrival delay

Based on 517 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(73 flights)
  • Tue74%(66 flights)
  • Wed75%(65 flights)
  • Thu68%(75 flights)
  • Fri60%(78 flights)
  • Sat90%(67 flights)
  • Sun77%(68 flights)
On-time by departure window
  • 6–9 AM80%(81 flights)
  • 9 AM–12 PM82%(205 flights)
  • 12–3 PM57%(137 flights)
  • 3–6 PM50%(24 flights)
  • 6–9 PM82%(45 flights)
On-time trend by month
80%
May

Jun 69% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%52
July 202575%55
August 202576%58
September 202564%36
October 202563%54
November 202577%26
December 202579%57
January 202673%22
February 202655%31
March 202685%48
April 202679%28
May 202680%25
Departures on time
82%
Diverted
0%
Flights flown
492
Months covered
12

Keep nerding

Based on 517 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.