Skip to content
WanderNerd
Check a flight

Flight Reliability

F9 2350 · Frontier Airlines

Las Vegas → Denver (LAS–DEN)

88
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
6 min
Average arrival delay
1.2%
Cancelled
10 min early
Median arrival delay

Based on 251 historical flights. Data through May 2026.

What the data says

The 3–6 AM departure wins.

F9 2350 departing between 3–6 AM arrived on time 94% of the time, versus 84% between 6–9 AM.

Mondays have been rough.

F9 2350 arrived on time 96% of the time on Wednesdays and just 74% on Mondays. That gap is worth planning around.

Better than the LAS–DEN route average.

F9 2350 arrived on time 85% of the time, versus 77% across the LAS–DEN route.

Better than the Frontier Airlines network average.

F9 2350 arrived on time 85% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon74%(42 flights)
  • Tue76%(21 flights)
  • Wed96%(24 flights)
  • Thu93%(41 flights)
  • Fri83%(41 flights)
  • Sat94%(36 flights)
  • Sun81%(43 flights)
On-time by departure window
  • 3–6 AM94%(16 flights)
  • 6–9 AM84%(229 flights)
  • 9 AM–12 PM—(3 flights)
On-time trend by month
96%
May

Aug 62% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202562%13
September 202578%23
October 202583%30
November 202582%22
December 202588%25
January 202696%26
February 202691%22
March 202687%31
April 202688%24
May 202696%25
Departures on time
91%
Diverted
0%
Flights flown
248
Months covered
11

Same route, other flights

Keep nerding

Based on 251 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.