Skip to content
WanderNerd
Check a flight

Flight Reliability

AA 1021 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1021 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
6 min
Average arrival delay
1.4%
Cancelled
12 min early
Median arrival delay

Based on 363 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(52 flights)
  • Tue86%(50 flights)
  • Wed88%(48 flights)
  • Thu81%(52 flights)
  • Fri80%(50 flights)
  • Sat89%(52 flights)
  • Sun87%(52 flights)
On-time trend by month
87%
May

Jun 63% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%30
July 202573%30
August 202584%31
September 202583%30
October 202577%30
November 202590%29
December 202587%30
January 202687%30
February 202693%28
March 202686%29
April 202697%29
May 202687%30
Departures on time
85%
Diverted
0.6%
Flights flown
356
Months covered
12

Keep nerding

Based on 363 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.