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Flight Reliability

AA 5511 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 5511 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

76%
Arrive within 15 minutes
11 min
Average arrival delay
7.1%
Cancelled
8 min early
Median arrival delay

Based on 462 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(61 flights)
  • Tue78%(60 flights)
  • Wed76%(62 flights)
  • Thu79%(62 flights)
  • Fri73%(62 flights)
  • Sat73%(64 flights)
  • Sun70%(57 flights)
On-time by departure window
  • 6–9 AM89%(63 flights)
  • 9 AM–12 PM89%(37 flights)
  • 12–3 PM77%(154 flights)
  • 6–9 PM73%(80 flights)
  • 9 PM–12 AM65%(94 flights)
On-time trend by month
57%
May

Jun 69% → May 57% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%54
July 202586%62
August 202585%58
September 202587%60
October 2025100%10
November 202558%26
December 202558%26
January 202679%28
February 202664%25
March 202691%23
April 202671%28
May 202657%28
Departures on time
77%
Diverted
0.2%
Flights flown
428
Months covered
12

Keep nerding

Based on 462 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.