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Flight Reliability

AA 3861 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3861 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

85%
Arrive within 15 minutes
5 min
Average arrival delay
2.8%
Cancelled
6 min early
Median arrival delay

Based on 250 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(30 flights)
  • Tue84%(32 flights)
  • Wed97%(29 flights)
  • Thu76%(37 flights)
  • Fri88%(32 flights)
  • Sat76%(42 flights)
  • Sun90%(41 flights)
On-time by departure window
  • 6–9 AM94%(87 flights)
  • 12–3 PM82%(45 flights)
  • 3–6 PM78%(83 flights)
  • 6–9 PM82%(28 flights)
On-time trend by month
77%
Mar

Aug 100% → Mar 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 2025100%25
September 202590%30
October 202594%31
November 202575%36
December 202585%20
January 202683%29
February 202687%31
March 202677%34
Departures on time
85%
Diverted
0%
Flights flown
243
Months covered
9

Keep nerding

Based on 250 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.