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WanderNerd

Flight Reliability

AA 3743 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3743 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

75%
Arrive within 15 minutes
7 min
Average arrival delay
2.8%
Cancelled
5 min early
Median arrival delay

Based on 394 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(59 flights)
  • Tue83%(54 flights)
  • Wed70%(53 flights)
  • Thu74%(62 flights)
  • Fri78%(58 flights)
  • Sat65%(43 flights)
  • Sun74%(54 flights)
On-time by departure window
  • 6–9 AM(4 flights)
  • 9 AM–12 PM54%(59 flights)
  • 12–3 PM74%(38 flights)
  • 3–6 PM78%(102 flights)
  • 6–9 PM76%(122 flights)
  • 9 PM–12 AM86%(58 flights)
On-time trend by month
90%
May

Jun 73% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202573%41
August 202582%17
September 202577%30
November 202582%28
December 202561%31
January 202681%43
February 202663%27
March 202667%21
April 202665%51
May 202690%59
Departures on time
81%
Diverted
0%
Flights flown
383
Months covered
12

Based on 394 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.