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WanderNerd

Flight Reliability

AA 4234 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4234 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

78%
Arrive within 15 minutes
9 min
Average arrival delay
1.7%
Cancelled
4 min early
Median arrival delay

Based on 119 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(17 flights)
  • Tue77%(17 flights)
  • Wed89%(26 flights)
  • Thu81%(16 flights)
  • Fri67%(15 flights)
  • Sat100%(10 flights)
  • Sun56%(16 flights)
On-time by departure window
  • 6–9 AM(1 flights)
  • 9 AM–12 PM(5 flights)
  • 12–3 PM83%(29 flights)
  • 3–6 PM82%(38 flights)
  • 9 PM–12 AM71%(44 flights)
On-time trend by month
92%
Mar

Oct 85% → Mar 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202585%27
November 202563%24
February 202682%34
March 202692%13
Departures on time
80%
Diverted
0%
Flights flown
117
Months covered
8

Based on 119 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.