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Flight Reliability

F9 4632 · Frontier Airlines

Las Vegas → Austin (LAS–AUS)

83
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
1 min
Average arrival delay
0.8%
Cancelled
11 min early
Median arrival delay

Based on 133 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

F9 4632 departing between 6–9 AM arrived on time 90% of the time, versus 78% between 3–6 PM.

Sunday scaries are real for this one.

F9 4632 arrived on time 95% of the time on Saturdays and just 68% on Sundays. That gap is worth planning around.

A bit ahead of the LAS–AUS route.

F9 4632 arrived on time 82% of the time, versus 75% across the LAS–AUS route.

Better than the Frontier Airlines network average.

F9 4632 arrived on time 82% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon83%(29 flights)
  • Tue—(5 flights)
  • Wed—(4 flights)
  • Thu85%(26 flights)
  • Fri77%(22 flights)
  • Sat95%(20 flights)
  • Sun68%(25 flights)
On-time by departure window
  • 6–9 AM90%(29 flights)
  • 9 AM–12 PM79%(47 flights)
  • 12–3 PM81%(32 flights)
  • 3–6 PM78%(23 flights)
On-time trend by month
78%
May

Sep 94% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
September 202594%16
November 202571%21
December 202581%21
March 202691%22
April 202683%18
May 202678%18
Departures on time
81%
Diverted
0.8%
Flights flown
131
Months covered
9

Same route, other flights

Keep nerding

Based on 133 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.