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Flight Reliability

AA 5187 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 5187 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

70%
Arrive within 15 minutes
22 min
Average arrival delay
3.2%
Cancelled
4 min early
Median arrival delay

Based on 470 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(68 flights)
  • Tue75%(59 flights)
  • Wed78%(71 flights)
  • Thu68%(62 flights)
  • Fri69%(67 flights)
  • Sat75%(63 flights)
  • Sun59%(64 flights)
On-time by departure window
  • 9 AM–12 PM96%(22 flights)
  • 12–3 PM—(4 flights)
  • 3–6 PM69%(352 flights)
  • 6–9 PM64%(52 flights)
  • 9 PM–12 AM79%(24 flights)
On-time trend by month
77%
May

Jun 38% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202538%34
July 202550%30
August 202559%29
September 202571%34
October 202588%32
November 202576%29
December 202573%44
January 202687%52
February 202678%55
March 202656%57
April 202684%32
May 202677%26
Departures on time
68%
Diverted
0.2%
Flights flown
454
Months covered
12

Keep nerding

Based on 470 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.