Skip to content
WanderNerd
Check a flight

Flight Reliability

AA 3187 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3187 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

77%
Arrive within 15 minutes
14 min
Average arrival delay
2.6%
Cancelled
8 min early
Median arrival delay

Based on 427 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(60 flights)
  • Tue83%(57 flights)
  • Wed82%(55 flights)
  • Thu75%(65 flights)
  • Fri73%(60 flights)
  • Sat67%(55 flights)
  • Sun75%(64 flights)
On-time by departure window
  • 6–9 AM88%(125 flights)
  • 9 AM–12 PM65%(46 flights)
  • 12–3 PM75%(150 flights)
  • 3–6 PM69%(61 flights)
  • 6–9 PM79%(34 flights)
On-time trend by month
83%
May

Jun 97% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%29
July 202584%31
August 202590%31
October 202582%49
November 202592%37
December 202547%36
January 202676%33
February 202667%45
March 202675%59
April 202666%35
May 202683%29
Departures on time
75%
Diverted
0%
Flights flown
416
Months covered
12

Keep nerding

Based on 427 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.