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WanderNerd

Flight Reliability

F9 4794 · Frontier Airlines

Denver → FAR (DENFAR)

90
Nerd Approved
WanderNerd Reliability Score
82%
Arrive within 15 minutes
5 min
Average arrival delay
0%
Cancelled
9 min early
Median arrival delay

Based on 186 historical flights. Data through May 2026.

What the data says

12–3 PM has a slight edge.

Departures between 12–3 PM arrived on time 83% of the time, against 78% between 3–6 PM.

Friday is doing you no favors.

F9 4794 arrived on time 91% of the time on Saturdays and just 74% on Fridays. That gap is worth planning around.

A bit ahead of the DEN–FAR route.

F9 4794 arrived on time 82% of the time, versus 77% across the DEN–FAR route.

Better than the Frontier Airlines network average.

F9 4794 arrived on time 82% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon86%(44 flights)
  • Tue(3 flights)
  • Wed79%(14 flights)
  • Thu84%(32 flights)
  • Fri74%(43 flights)
  • Sat91%(11 flights)
  • Sun80%(39 flights)
On-time by departure window
  • 6–9 AM(1 flights)
  • 9 AM–12 PM83%(146 flights)
  • 12–3 PM83%(12 flights)
  • 3–6 PM78%(27 flights)
On-time trend by month
81%
May

Jun 70% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%20
July 202586%22
August 202573%22
September 202594%17
October 202575%20
November 202585%13
December 202585%13
January 202680%10
February 2026100%11
April 202692%13
May 202681%16
Departures on time
77%
Diverted
0%
Flights flown
186
Months covered
12

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.