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Flight Reliability

AA 3827 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3827 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

73%
Arrive within 15 minutes
11 min
Average arrival delay
2.4%
Cancelled
3 min early
Median arrival delay

Based on 336 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(44 flights)
  • Tue74%(46 flights)
  • Wed67%(46 flights)
  • Thu78%(49 flights)
  • Fri79%(48 flights)
  • Sat63%(48 flights)
  • Sun72%(46 flights)
On-time by departure window
  • 6–9 AM55%(11 flights)
  • 9 AM–12 PM78%(55 flights)
  • 12–3 PM85%(60 flights)
  • 3–6 PM78%(54 flights)
  • 6–9 PM65%(147 flights)
On-time trend by month
81%
May

Aug 83% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202583%52
October 202581%52
November 202563%16
January 202671%24
February 202668%28
March 202650%30
April 202665%54
May 202681%58
Departures on time
74%
Diverted
0.3%
Flights flown
327
Months covered
11

Keep nerding

Based on 336 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.