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Flight Reliability

AA 3539 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3539 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

85%
Arrive within 15 minutes
1 min early
Average arrival delay
1.1%
Cancelled
10 min early
Median arrival delay

Based on 350 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(50 flights)
  • Tue83%(40 flights)
  • Wed95%(39 flights)
  • Thu94%(46 flights)
  • Fri83%(54 flights)
  • Sat83%(53 flights)
  • Sun83%(64 flights)
On-time by departure window
  • 6–9 AM87%(71 flights)
  • 9 AM–12 PM85%(123 flights)
  • 12–3 PM81%(43 flights)
  • 3–6 PM—(1 flights)
  • 6–9 PM86%(104 flights)
  • 9 PM–12 AM—(4 flights)
On-time trend by month
81%
May

Jun 93% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%27
July 202587%23
August 202573%26
September 2025100%17
October 202582%54
November 202584%37
December 202584%19
January 202687%23
February 2026100%20
March 202686%28
April 202683%30
May 202681%42
Departures on time
86%
Diverted
0%
Flights flown
346
Months covered
12

Keep nerding

Based on 350 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.