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Flight Reliability

AA 6321 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 6321 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

79%
Arrive within 15 minutes
7 min
Average arrival delay
1.0%
Cancelled
8 min early
Median arrival delay

Based on 406 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(58 flights)
  • Tue74%(46 flights)
  • Wed85%(59 flights)
  • Thu64%(58 flights)
  • Fri87%(60 flights)
  • Sat81%(58 flights)
  • Sun79%(61 flights)
On-time by departure window
  • 9 AM–12 PM80%(341 flights)
  • 12–3 PM79%(48 flights)
  • 3–6 PM36%(11 flights)
On-time trend by month
71%
May

Jun 80% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202587%30
August 202576%29
September 202583%30
October 202587%31
November 202580%30
December 202577%31
January 202672%29
February 202671%28
March 202683%30
April 202678%46
May 202671%56
Departures on time
76%
Diverted
0.5%
Flights flown
400
Months covered
12

Keep nerding

Based on 406 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.