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Flight Reliability

AA 1439 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1439 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

84%
Arrive within 15 minutes
4 min
Average arrival delay
2.2%
Cancelled
11 min early
Median arrival delay

Based on 541 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(76 flights)
  • Tue91%(75 flights)
  • Wed88%(75 flights)
  • Thu85%(73 flights)
  • Fri81%(78 flights)
  • Sat77%(73 flights)
  • Sun84%(77 flights)
On-time by departure window
  • 6–9 AM87%(314 flights)
  • 9 AM–12 PM81%(213 flights)
On-time trend by month
96%
May

Jun 93% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202590%29
August 202597%31
September 202590%30
October 202579%57
November 202588%58
December 202588%58
January 202666%53
February 202676%55
March 202684%62
April 202683%36
May 202696%28
Departures on time
81%
Diverted
0.4%
Flights flown
527
Months covered
12

Keep nerding

Based on 541 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.