Skip to content
WanderNerd
Check a flight

Flight Reliability

AA 3687 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3687 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

82%
Arrive within 15 minutes
3 min
Average arrival delay
2.2%
Cancelled
10 min early
Median arrival delay

Based on 361 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(53 flights)
  • Tue80%(51 flights)
  • Wed88%(51 flights)
  • Thu80%(49 flights)
  • Fri71%(49 flights)
  • Sat90%(49 flights)
  • Sun82%(49 flights)
On-time by departure window
  • 6–9 AM86%(29 flights)
  • 9 AM–12 PM80%(60 flights)
  • 3–6 PM87%(111 flights)
  • 6–9 PM71%(14 flights)
  • 9 PM–12 AM80%(137 flights)
On-time trend by month
90%
May

Jun 67% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%30
July 202563%27
August 202587%30
September 202589%28
October 202596%28
January 202684%25
February 202691%44
March 202676%59
April 202683%35
May 202690%41
Departures on time
82%
Diverted
0.6%
Flights flown
351
Months covered
12

Keep nerding

Based on 361 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.