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Flight Reliability

AA 1155 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1155 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
18 min
Average arrival delay
2.2%
Cancelled
1 min early
Median arrival delay

Based on 359 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(47 flights)
  • Tue78%(50 flights)
  • Wed80%(50 flights)
  • Thu75%(51 flights)
  • Fri68%(50 flights)
  • Sat71%(51 flights)
  • Sun61%(51 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 12–3 PM80%(15 flights)
  • 3–6 PM73%(305 flights)
  • 9 PM–12 AM62%(29 flights)
On-time trend by month
59%
May

Jun 50% → May 59% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%30
July 202565%31
August 202562%29
September 202571%28
October 202577%31
November 202590%30
December 202581%31
January 202690%29
February 202685%26
March 202673%26
April 202663%30
May 202659%29
Departures on time
68%
Diverted
0.3%
Flights flown
350
Months covered
12

Keep nerding

Based on 359 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.