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Flight Reliability

AA 1255 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1255 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
17 min
Average arrival delay
1.6%
Cancelled
4 min early
Median arrival delay

Based on 307 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(48 flights)
  • Tue81%(37 flights)
  • Wed68%(44 flights)
  • Thu69%(51 flights)
  • Fri71%(35 flights)
  • Sat74%(35 flights)
  • Sun78%(51 flights)
On-time by departure window
  • 3–6 AM92%(63 flights)
  • 6–9 AM—(1 flights)
  • 12–3 PM—(8 flights)
  • 3–6 PM64%(178 flights)
  • 6–9 PM81%(26 flights)
  • 9 PM–12 AM72%(25 flights)
On-time trend by month
72%
May

Jun 70% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%30
July 202550%28
August 202556%16
September 202575%12
October 202559%27
November 202589%28
December 202594%31
January 202677%22
February 202681%26
March 202670%27
April 202664%25
May 202672%29
Departures on time
71%
Diverted
0.3%
Flights flown
301
Months covered
12

Keep nerding

Based on 307 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.