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Flight Reliability

AA 3737 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3737 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

77%
Arrive within 15 minutes
9 min
Average arrival delay
3.2%
Cancelled
7 min early
Median arrival delay

Based on 311 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(47 flights)
  • Tue57%(21 flights)
  • Wed73%(45 flights)
  • Thu91%(46 flights)
  • Fri77%(48 flights)
  • Sat80%(45 flights)
  • Sun73%(48 flights)
On-time by departure window
  • 6–9 AM81%(110 flights)
  • 9 AM–12 PM73%(75 flights)
  • 12–3 PM76%(62 flights)
  • 3–6 PM74%(46 flights)
  • 6–9 PM—(7 flights)
On-time trend by month
88%
May

Jun 82% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%27
July 202581%26
August 202582%27
September 202580%25
October 202589%26
December 202559%54
January 2026100%10
February 202663%24
March 202674%50
April 202693%14
May 202688%16
Departures on time
79%
Diverted
0.3%
Flights flown
300
Months covered
12

Keep nerding

Based on 311 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.