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WanderNerd

Flight Reliability

AA 6434 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 6434 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

66%
Arrive within 15 minutes
28 min
Average arrival delay
4.9%
Cancelled
1 min early
Median arrival delay

Based on 370 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(50 flights)
  • Tue67%(43 flights)
  • Wed69%(39 flights)
  • Thu69%(51 flights)
  • Fri74%(54 flights)
  • Sat70%(40 flights)
  • Sun47%(55 flights)
On-time by departure window
  • 12–3 PM64%(255 flights)
  • 3–6 PM80%(10 flights)
  • 6–9 PM81%(37 flights)
  • 9 PM–12 AM63%(30 flights)
On-time trend by month
75%
May

Jun 63% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%48
July 202563%48
August 202559%51
September 202578%23
October 202593%14
November 202565%26
December 202544%23
February 202679%14
March 202663%30
April 202670%30
May 202675%20
Departures on time
72%
Diverted
5.4%
Flights flown
332
Months covered
12

Based on 370 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.