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Flight Reliability

AA 6437 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 6437 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

70%
Arrive within 15 minutes
25 min
Average arrival delay
1.7%
Cancelled
1 min
Median arrival delay

Based on 363 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon50%(42 flights)
  • Tue75%(59 flights)
  • Wed77%(60 flights)
  • Thu66%(47 flights)
  • Fri71%(48 flights)
  • Sat74%(46 flights)
  • Sun71%(51 flights)
On-time by departure window
  • 6–9 AM80%(76 flights)
  • 9 AM–12 PM72%(76 flights)
  • 12–3 PM68%(88 flights)
  • 3–6 PM63%(105 flights)
  • 6–9 PM(8 flights)
On-time trend by month
59%
May

Jun 73% → May 59% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202587%30
August 202562%55
September 202568%60
November 202578%27
December 202571%17
January 202681%16
April 202673%45
May 202659%56
Departures on time
76%
Diverted
1.1%
Flights flown
353
Months covered
11

Based on 363 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.