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WanderNerd

Flight Reliability

AA 1939 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1939 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

67%
Arrive within 15 minutes
18 min
Average arrival delay
1.9%
Cancelled
2 min
Median arrival delay

Based on 364 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon47%(49 flights)
  • Tue80%(49 flights)
  • Wed66%(50 flights)
  • Thu66%(53 flights)
  • Fri75%(52 flights)
  • Sat69%(51 flights)
  • Sun64%(53 flights)
On-time by departure window
  • 9 AM–12 PM81%(52 flights)
  • 12–3 PM49%(118 flights)
  • 3–6 PM74%(171 flights)
  • 6–9 PM69%(16 flights)
On-time trend by month
65%
May

Jun 55% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%29
July 202545%31
August 202538%29
September 202557%30
October 202577%31
November 202565%26
December 202580%25
January 202678%27
February 202682%28
March 202677%31
April 202683%30
May 202665%40
Departures on time
65%
Diverted
0%
Flights flown
357
Months covered
12

Based on 364 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.