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Flight Reliability

AA 539 · American Airlines

Los Angeles → Austin (LAX–AUS)82% of its flights flew this route. The rest (TPA–LGA) are included in these numbers.

54
A Little Dicey
WanderNerd Reliability Score
69%
Arrive within 15 minutes
38 min
Average arrival delay
1.5%
Cancelled
5 min early
Median arrival delay

Based on 134 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

AA 539 departing between 6–9 AM arrived on time 87% of the time, versus 53% between 12–3 PM.

Sunday scaries are real for this one.

AA 539 arrived on time 81% of the time on Tuesdays and just 47% on Sundays. That gap is worth planning around.

Lagging the LAX–AUS route.

AA 539 arrived on time 69% of the time, versus 80% across the LAX–AUS route.

Lagging the American Airlines network.

AA 539 arrived on time 69% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon80%(20 flights)
  • Tue81%(21 flights)
  • Wed68%(19 flights)
  • Thu68%(19 flights)
  • Fri78%(18 flights)
  • Sat53%(19 flights)
  • Sun47%(15 flights)
On-time by departure window
  • 6–9 AM87%(23 flights)
  • 12–3 PM53%(47 flights)
  • 3–6 PM74%(61 flights)
On-time trend by month
42%
May

Jun 83% → May 42% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%29
July 202565%31
October 202586%22
April 202658%24
May 202642%19
Departures on time
64%
Diverted
0.7%
Flights flown
131
Months covered
7

Same route, other flights

Keep nerding

Based on 134 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.