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WanderNerd

Flight Reliability

AA 6397 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 6397 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
29 min
Average arrival delay
2.1%
Cancelled
10 min early
Median arrival delay

Based on 192 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(30 flights)
  • Tue83%(30 flights)
  • Wed80%(25 flights)
  • Thu81%(21 flights)
  • Fri77%(31 flights)
  • Sat69%(29 flights)
  • Sun77%(22 flights)
On-time by departure window
  • 6–9 AM88%(66 flights)
  • 12–3 PM86%(76 flights)
  • 3–6 PM57%(35 flights)
  • 6–9 PM18%(11 flights)
On-time trend by month
0%
Jan

Jun 93% → Jan 0% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202587%31
August 202589%53
September 202576%46
December 202525%12
January 20260%10
Departures on time
78%
Diverted
0%
Flights flown
188
Months covered
7

Based on 192 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.