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Flight Reliability

AA 3865 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3865 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
1 min
Average arrival delay
1.7%
Cancelled
9 min early
Median arrival delay

Based on 481 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(73 flights)
  • Tue94%(53 flights)
  • Wed85%(68 flights)
  • Thu81%(69 flights)
  • Fri81%(69 flights)
  • Sat93%(67 flights)
  • Sun75%(73 flights)
On-time by departure window
  • 6–9 AM87%(45 flights)
  • 9 AM–12 PM90%(201 flights)
  • 12–3 PM92%(119 flights)
  • 3–6 PM49%(53 flights)
  • 6–9 PM80%(54 flights)
On-time trend by month
90%
May

Jun 65% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%31
July 202535%23
August 202583%29
September 202587%52
October 202590%51
November 202591%58
December 202591%46
January 202696%28
February 202685%41
March 202686%57
April 202689%36
May 202690%20
Departures on time
86%
Diverted
0.2%
Flights flown
472
Months covered
12

Keep nerding

Based on 481 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.