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Flight Reliability

AA 3857 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3857 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

81%
Arrive within 15 minutes
6 min
Average arrival delay
2.0%
Cancelled
4 min early
Median arrival delay

Based on 302 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(42 flights)
  • Tue76%(41 flights)
  • Wed88%(49 flights)
  • Thu70%(37 flights)
  • Fri85%(40 flights)
  • Sat76%(45 flights)
  • Sun85%(41 flights)
On-time by departure window
  • 3–6 AM—(4 flights)
  • 6–9 AM—(9 flights)
  • 9 AM–12 PM86%(117 flights)
  • 12–3 PM82%(27 flights)
  • 3–6 PM77%(44 flights)
  • 6–9 PM75%(94 flights)
On-time trend by month
78%
May

Jun 86% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%14
August 202589%52
November 202589%28
December 202569%26
January 202686%29
February 202684%25
March 202668%50
April 202677%35
May 202678%23
Departures on time
82%
Diverted
0.3%
Flights flown
295
Months covered
11

Keep nerding

Based on 302 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.