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Flight Reliability

AA 4389 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4389 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

86%
Arrive within 15 minutes
2 min early
Average arrival delay
2.5%
Cancelled
10 min early
Median arrival delay

Based on 512 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(70 flights)
  • Tue92%(73 flights)
  • Wed80%(75 flights)
  • Thu82%(74 flights)
  • Fri90%(73 flights)
  • Sat84%(61 flights)
  • Sun93%(72 flights)
On-time by departure window
  • 6–9 AM98%(40 flights)
  • 9 AM–12 PM91%(152 flights)
  • 12–3 PM86%(135 flights)
  • 3–6 PM78%(99 flights)
  • 6–9 PM81%(72 flights)
On-time trend by month
87%
May

Jun 88% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%48
July 202590%10
August 202581%26
September 202572%29
October 202595%56
November 202583%60
December 202589%44
January 202685%48
February 202686%36
March 202694%31
April 202680%50
May 202687%60
Departures on time
84%
Diverted
0.2%
Flights flown
498
Months covered
12

Keep nerding

Based on 512 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.