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WanderNerd

Flight Reliability

AA 4375 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4375 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

68%
Arrive within 15 minutes
15 min
Average arrival delay
2.3%
Cancelled
2 min early
Median arrival delay

Based on 487 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(68 flights)
  • Tue79%(62 flights)
  • Wed62%(68 flights)
  • Thu61%(70 flights)
  • Fri66%(71 flights)
  • Sat66%(64 flights)
  • Sun73%(70 flights)
On-time by departure window
  • 12–3 AM(1 flights)
  • 6–9 AM64%(45 flights)
  • 9 AM–12 PM76%(79 flights)
  • 12–3 PM77%(175 flights)
  • 3–6 PM60%(141 flights)
  • 6–9 PM44%(32 flights)
On-time trend by month
72%
May

Jun 62% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%34
July 202567%33
August 202578%51
September 202579%29
October 202542%26
November 202583%29
December 202550%28
January 202674%35
February 202669%42
March 202663%60
April 202667%52
May 202672%54
Departures on time
73%
Diverted
0.6%
Flights flown
473
Months covered
12

Based on 487 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.