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Flight Reliability

AA 3437 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3437 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

84%
Arrive within 15 minutes
3 min early
Average arrival delay
1.6%
Cancelled
13 min early
Median arrival delay

Based on 385 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(53 flights)
  • Tue85%(53 flights)
  • Wed81%(57 flights)
  • Thu83%(53 flights)
  • Fri87%(55 flights)
  • Sat78%(51 flights)
  • Sun84%(57 flights)
On-time by departure window
  • 3–6 AM93%(56 flights)
  • 6–9 AM90%(148 flights)
  • 9 AM–12 PM76%(53 flights)
  • 12–3 PM86%(44 flights)
  • 6–9 PM58%(50 flights)
  • 9 PM–12 AM89%(28 flights)
On-time trend by month
87%
May

Jun 97% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%29
July 202590%31
August 202593%30
September 202587%30
October 202550%30
November 202579%24
December 202547%17
January 202677%35
February 202696%28
March 202687%54
April 202694%33
May 202687%38
Departures on time
88%
Diverted
0%
Flights flown
379
Months covered
12

Keep nerding

Based on 385 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.