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WanderNerd

Flight Reliability

AA 3983 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3983 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
1 min
Average arrival delay
2.3%
Cancelled
9 min early
Median arrival delay

Based on 647 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(90 flights)
  • Tue87%(91 flights)
  • Wed80%(90 flights)
  • Thu84%(91 flights)
  • Fri86%(88 flights)
  • Sat85%(88 flights)
  • Sun89%(92 flights)
On-time by departure window
  • 6–9 AM86%(276 flights)
  • 9 AM–12 PM86%(275 flights)
  • 6–9 PM75%(79 flights)
On-time trend by month
71%
May

Jun 82% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%60
July 202576%62
August 202582%60
September 202586%59
October 202577%34
November 202593%54
December 202577%62
January 202691%57
February 202693%56
March 202693%60
April 202686%35
May 202671%31
Departures on time
84%
Diverted
0.3%
Flights flown
630
Months covered
12

Based on 647 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.