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Flight Reliability

AA 3973 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3973 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

78%
Arrive within 15 minutes
5 min
Average arrival delay
2.0%
Cancelled
8 min early
Median arrival delay

Based on 355 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(48 flights)
  • Tue81%(48 flights)
  • Wed76%(53 flights)
  • Thu75%(47 flights)
  • Fri85%(53 flights)
  • Sat80%(51 flights)
  • Sun73%(48 flights)
On-time by departure window
  • 6–9 AM85%(47 flights)
  • 9 AM–12 PM75%(47 flights)
  • 12–3 PM76%(46 flights)
  • 3–6 PM74%(90 flights)
  • 6–9 PM85%(66 flights)
  • 9 PM–12 AM71%(52 flights)
On-time trend by month
93%
May

Aug 86% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202586%14
October 202581%26
November 202574%57
December 202581%48
January 202668%31
February 202671%28
March 202676%29
April 202668%53
May 202693%59
Departures on time
78%
Diverted
0%
Flights flown
348
Months covered
11

Keep nerding

Based on 355 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.