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Flight Reliability

AA 3520 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3520 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

80%
Arrive within 15 minutes
2 min
Average arrival delay
2.6%
Cancelled
10 min early
Median arrival delay

Based on 343 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(46 flights)
  • Tue77%(51 flights)
  • Wed86%(50 flights)
  • Thu76%(50 flights)
  • Fri78%(49 flights)
  • Sat78%(32 flights)
  • Sun83%(54 flights)
On-time by departure window
  • 6–9 AM76%(42 flights)
  • 9 AM–12 PM85%(58 flights)
  • 12–3 PM82%(89 flights)
  • 3–6 PM80%(81 flights)
  • 6–9 PM74%(49 flights)
  • 9 PM–12 AM85%(13 flights)
On-time trend by month
95%
May

Jul 63% → May 95% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202563%24
August 202586%21
September 202579%28
November 202585%27
December 202575%28
January 202688%24
February 202682%38
March 202671%55
April 202679%34
May 202695%40
Departures on time
79%
Diverted
0.6%
Flights flown
332
Months covered
12

Keep nerding

Based on 343 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.