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Flight Reliability

AA 434 · American Airlines

Charlotte → Austin (CLT–AUS)

51
A Little Dicey
WanderNerd Reliability Score
62%
Arrive within 15 minutes
30 min
Average arrival delay
1.6%
Cancelled
5 min
Median arrival delay

Based on 186 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

AA 434 departing between 9 PM–12 AM arrived on time 68% of the time, versus 60% between 6–9 PM.

Tuesdays have been rough.

AA 434 arrived on time 76% of the time on Mondays and just 42% on Tuesdays. That gap is worth planning around.

Lagging the CLT–AUS route.

AA 434 arrived on time 62% of the time, versus 73% across the CLT–AUS route.

Well behind the American Airlines network.

AA 434 arrived on time 62% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon76%(29 flights)
  • Tue42%(19 flights)
  • Wed71%(24 flights)
  • Thu57%(28 flights)
  • Fri66%(29 flights)
  • Sat54%(24 flights)
  • Sun59%(29 flights)
On-time by departure window
  • 6–9 PM60%(145 flights)
  • 9 PM–12 AM68%(37 flights)
On-time trend by month
50%
May

Jun 43% → May 50% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202543%28
July 202560%30
August 202557%28
September 202591%22
October 202563%27
April 202679%19
May 202650%28
Departures on time
59%
Diverted
0.5%
Flights flown
182
Months covered
7

Same route, other flights

Keep nerding

Based on 186 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.