Skip to content
WanderNerd
Check a flight

Flight Reliability

AA 3727 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3727 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
4 min
Average arrival delay
2.4%
Cancelled
6 min early
Median arrival delay

Based on 335 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon91%(42 flights)
  • Tue87%(45 flights)
  • Wed80%(45 flights)
  • Thu76%(54 flights)
  • Fri77%(44 flights)
  • Sat86%(44 flights)
  • Sun72%(53 flights)
On-time by departure window
  • 6–9 AM88%(57 flights)
  • 9 AM–12 PM80%(15 flights)
  • 12–3 PM86%(64 flights)
  • 3–6 PM76%(25 flights)
  • 6–9 PM76%(122 flights)
  • 9 PM–12 AM80%(44 flights)
On-time trend by month
75%
May

Jun 80% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%54
July 202590%10
September 202582%28
October 202579%19
November 202571%24
December 202575%28
January 202671%31
February 202696%28
March 202681%31
April 202697%29
May 202675%40
Departures on time
82%
Diverted
0%
Flights flown
327
Months covered
12

Keep nerding

Based on 335 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.