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Flight Reliability

AA 4587 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4587 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

83%
Arrive within 15 minutes
4 min
Average arrival delay
2.3%
Cancelled
10 min early
Median arrival delay

Based on 299 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(43 flights)
  • Tue84%(44 flights)
  • Wed82%(45 flights)
  • Thu92%(38 flights)
  • Fri82%(39 flights)
  • Sat79%(42 flights)
  • Sun78%(41 flights)
On-time by departure window
  • 3–6 AM92%(26 flights)
  • 6–9 AM95%(164 flights)
  • 9 AM–12 PM73%(15 flights)
  • 12–3 PM66%(53 flights)
  • 3–6 PM27%(11 flights)
  • 9 PM–12 AM61%(23 flights)
On-time trend by month
100%
May

Jun 91% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%34
July 202597%31
August 202597%31
September 202593%30
October 202594%31
November 202568%22
December 202543%28
January 202666%35
February 202675%12
March 202686%22
May 2026100%11
Departures on time
84%
Diverted
0%
Flights flown
292
Months covered
12

Keep nerding

Based on 299 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.