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WanderNerd

Flight Reliability

AA 3912 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3912 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

87%
Arrive within 15 minutes
4 min
Average arrival delay
1.6%
Cancelled
10 min early
Median arrival delay

Based on 252 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(38 flights)
  • Tue89%(28 flights)
  • Wed91%(34 flights)
  • Thu87%(38 flights)
  • Fri90%(39 flights)
  • Sat80%(35 flights)
  • Sun86%(35 flights)
On-time by departure window
  • 3–6 AM97%(65 flights)
  • 6–9 AM86%(131 flights)
  • 6–9 PM75%(51 flights)
On-time trend by month
81%
May

Jun 84% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%25
July 202590%31
August 202565%20
November 202593%29
December 2025100%31
January 202686%29
February 202696%28
April 202670%20
May 202681%26
Departures on time
90%
Diverted
0.4%
Flights flown
247
Months covered
11

Based on 252 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.