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Flight Reliability

AA 4591 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4591 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
8 min
Average arrival delay
4.0%
Cancelled
6 min early
Median arrival delay

Based on 472 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(69 flights)
  • Tue83%(59 flights)
  • Wed86%(62 flights)
  • Thu78%(69 flights)
  • Fri60%(72 flights)
  • Sat73%(62 flights)
  • Sun68%(59 flights)
On-time by departure window
  • 6–9 AM77%(128 flights)
  • 9 AM–12 PM76%(182 flights)
  • 12–3 PM79%(79 flights)
  • 3–6 PM64%(53 flights)
  • 6–9 PM70%(10 flights)
On-time trend by month
79%
May

Jul 64% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202564%28
August 202570%50
September 202580%10
October 202586%42
November 202573%55
December 202568%40
January 202673%48
February 202683%48
March 202658%36
April 202693%45
May 202679%42
Departures on time
80%
Diverted
0.2%
Flights flown
452
Months covered
12

Keep nerding

Based on 472 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.