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Flight Reliability

AA 1187 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1187 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

75%
Arrive within 15 minutes
11 min
Average arrival delay
3.1%
Cancelled
7 min early
Median arrival delay

Based on 350 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(48 flights)
  • Tue84%(45 flights)
  • Wed69%(51 flights)
  • Thu71%(49 flights)
  • Fri76%(50 flights)
  • Sat79%(47 flights)
  • Sun60%(47 flights)
On-time by departure window
  • 6–9 AM97%(30 flights)
  • 12–3 PM71%(190 flights)
  • 3–6 PM73%(30 flights)
  • 6–9 PM62%(50 flights)
  • 9 PM–12 AM95%(37 flights)
On-time trend by month
78%
May

Jun 76% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%29
July 202552%27
August 202581%31
September 202570%30
October 202577%31
November 202562%26
December 202559%29
January 202688%24
February 202689%28
March 202666%29
April 2026100%26
May 202678%27
Departures on time
76%
Diverted
0.6%
Flights flown
337
Months covered
12

Keep nerding

Based on 350 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.