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Flight Reliability

AA 4397 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4397 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

71%
Arrive within 15 minutes
12 min
Average arrival delay
4.1%
Cancelled
2 min early
Median arrival delay

Based on 368 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon59%(51 flights)
  • Tue80%(50 flights)
  • Wed69%(48 flights)
  • Thu71%(49 flights)
  • Fri75%(51 flights)
  • Sat79%(58 flights)
  • Sun63%(46 flights)
On-time by departure window
  • 9 AM–12 PM81%(116 flights)
  • 12–3 PM67%(112 flights)
  • 3–6 PM90%(10 flights)
  • 6–9 PM70%(56 flights)
  • 9 PM–12 AM58%(59 flights)
On-time trend by month
81%
May

Jun 67% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%30
July 202552%27
August 202571%21
November 202566%29
December 202557%37
January 202670%56
February 202665%37
March 202669%13
April 202691%44
May 202681%48
Departures on time
72%
Diverted
0%
Flights flown
353
Months covered
12

Keep nerding

Based on 368 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.