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WanderNerd

Flight Reliability

AA 3989 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3989 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

61%
Arrive within 15 minutes
23 min
Average arrival delay
4.1%
Cancelled
2 min
Median arrival delay

Based on 121 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon46%(22 flights)
  • Tue62%(13 flights)
  • Wed70%(10 flights)
  • Thu61%(18 flights)
  • Fri67%(21 flights)
  • Sat73%(11 flights)
  • Sun62%(21 flights)
On-time by departure window
  • 6–9 AM94%(36 flights)
  • 12–3 PM54%(39 flights)
  • 3–6 PM39%(41 flights)
On-time trend by month
91%
Feb

Nov 51% → Feb 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202551%39
December 202542%31
January 202680%35
February 202691%11
Departures on time
74%
Diverted
0%
Flights flown
116
Months covered
4

Based on 121 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.