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Flight Reliability

AA 1109 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1109 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

72%
Arrive within 15 minutes
16 min
Average arrival delay
2.7%
Cancelled
2 min early
Median arrival delay

Based on 412 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(53 flights)
  • Tue81%(57 flights)
  • Wed75%(59 flights)
  • Thu75%(57 flights)
  • Fri67%(57 flights)
  • Sat74%(58 flights)
  • Sun64%(56 flights)
On-time by departure window
  • 6–9 AM86%(22 flights)
  • 9 AM–12 PM71%(118 flights)
  • 12–3 PM81%(16 flights)
  • 3–6 PM69%(91 flights)
  • 6–9 PM75%(79 flights)
  • 9 PM–12 AM68%(71 flights)
On-time trend by month
71%
May

Jun 63% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%30
July 202573%30
August 202566%29
September 202583%29
October 202561%31
November 202571%38
December 202585%33
January 202677%51
February 202681%37
March 202665%31
April 202663%30
May 202671%28
Departures on time
68%
Diverted
1.0%
Flights flown
397
Months covered
12

Keep nerding

Based on 412 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.