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Flight Reliability

AA 1539 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1539 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

74%
Arrive within 15 minutes
12 min
Average arrival delay
1.7%
Cancelled
4 min early
Median arrival delay

Based on 414 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(67 flights)
  • Tue80%(49 flights)
  • Wed80%(50 flights)
  • Thu74%(66 flights)
  • Fri74%(57 flights)
  • Sat70%(46 flights)
  • Sun70%(71 flights)
On-time by departure window
  • 6–9 AM79%(19 flights)
  • 9 AM–12 PM85%(148 flights)
  • 12–3 PM85%(13 flights)
  • 3–6 PM76%(121 flights)
  • 6–9 PM63%(49 flights)
  • 9 PM–12 AM46%(56 flights)
On-time trend by month
65%
May

Jun 48% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202548%29
July 202544%27
August 202556%25
October 202583%29
November 202576%42
December 202574%50
January 202678%32
February 202690%40
March 202686%59
April 202683%36
May 202665%31
Departures on time
73%
Diverted
0.2%
Flights flown
406
Months covered
12

Keep nerding

Based on 414 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.