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WanderNerd

Flight Reliability

AA 4434 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4434 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
5 min
Average arrival delay
2.7%
Cancelled
7 min early
Median arrival delay

Based on 371 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(51 flights)
  • Tue83%(47 flights)
  • Wed79%(48 flights)
  • Thu77%(57 flights)
  • Fri77%(52 flights)
  • Sat80%(51 flights)
  • Sun67%(54 flights)
On-time by departure window
  • 3–6 AM(1 flights)
  • 6–9 AM90%(20 flights)
  • 9 AM–12 PM84%(25 flights)
  • 12–3 PM78%(103 flights)
  • 3–6 PM74%(90 flights)
  • 6–9 PM74%(73 flights)
  • 9 PM–12 AM77%(48 flights)
On-time trend by month
89%
May

Jun 72% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%18
August 202561%31
September 202587%30
October 202577%30
December 202576%25
January 202682%28
February 202689%26
March 202656%55
April 202687%55
May 202689%46
Departures on time
79%
Diverted
0.3%
Flights flown
360
Months covered
12

Based on 371 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.