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WanderNerd

Flight Reliability

AA 3934 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3934 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

80%
Arrive within 15 minutes
3 min
Average arrival delay
2.2%
Cancelled
4 min early
Median arrival delay

Based on 271 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(42 flights)
  • Tue79%(33 flights)
  • Wed91%(32 flights)
  • Thu77%(44 flights)
  • Fri81%(31 flights)
  • Sat69%(32 flights)
  • Sun86%(50 flights)
On-time by departure window
  • 6–9 AM71%(14 flights)
  • 9 AM–12 PM84%(142 flights)
  • 12–3 PM89%(53 flights)
  • 3–6 PM63%(49 flights)
  • 6–9 PM(6 flights)
On-time trend by month
79%
Feb

Jun 80% → Feb 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202577%30
August 202582%22
September 202579%24
October 202570%56
November 202594%48
December 202555%11
January 202696%27
February 202679%14
Departures on time
85%
Diverted
0.4%
Flights flown
264
Months covered
10

Based on 271 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.