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WanderNerd

Flight Reliability

AA 3867 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3867 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

72%
Arrive within 15 minutes
20 min
Average arrival delay
2.3%
Cancelled
2 min early
Median arrival delay

Based on 386 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon61%(56 flights)
  • Tue76%(46 flights)
  • Wed65%(43 flights)
  • Thu86%(59 flights)
  • Fri83%(60 flights)
  • Sat64%(47 flights)
  • Sun68%(62 flights)
On-time by departure window
  • 3–6 AM93%(27 flights)
  • 6–9 AM81%(47 flights)
  • 9 AM–12 PM86%(22 flights)
  • 12–3 PM73%(122 flights)
  • 3–6 PM71%(77 flights)
  • 6–9 PM53%(60 flights)
  • 9 PM–12 AM67%(18 flights)
On-time trend by month
84%
May

Jun 68% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%59
July 202561%59
August 202571%35
November 202571%17
December 202579%33
January 202686%36
February 202677%26
March 202672%47
April 202668%34
May 202684%25
Departures on time
75%
Diverted
1.0%
Flights flown
373
Months covered
11

Based on 386 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.