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Flight Reliability

AA 5621 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 5621 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

84%
Arrive within 15 minutes
2 min
Average arrival delay
2.1%
Cancelled
12 min early
Median arrival delay

Based on 419 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(52 flights)
  • Tue87%(63 flights)
  • Wed84%(63 flights)
  • Thu88%(56 flights)
  • Fri80%(54 flights)
  • Sat82%(65 flights)
  • Sun84%(57 flights)
On-time by departure window
  • 3–6 AM77%(17 flights)
  • 6–9 AM89%(195 flights)
  • 9 AM–12 PM85%(78 flights)
  • 12–3 PM77%(44 flights)
  • 3–6 PM79%(47 flights)
  • 6–9 PM—(4 flights)
  • 9 PM–12 AM68%(25 flights)
On-time trend by month
71%
May

Jun 72% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%18
July 202577%13
August 202582%27
September 202585%58
October 202594%36
November 202596%28
December 202580%30
January 202683%29
February 202685%27
March 202697%29
April 202689%54
May 202671%61
Departures on time
84%
Diverted
0%
Flights flown
410
Months covered
12

Keep nerding

Based on 419 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.