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Flight Reliability

F9 4069 · Frontier Airlines

Dallas–Fort Worth → Denver (DFW–DEN)

56
A Little Dicey
WanderNerd Reliability Score
64%
Arrive within 15 minutes
22 min
Average arrival delay
2.2%
Cancelled
6 min early
Median arrival delay

Based on 231 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

F9 4069 departing between 6–9 PM arrived on time 71% of the time, versus 64% between 9 PM–12 AM.

Sunday scaries are real for this one.

F9 4069 arrived on time 75% of the time on Wednesdays and just 60% on Sundays. That gap is worth planning around.

A bit behind the DFW–DEN route.

F9 4069 arrived on time 64% of the time, versus 70% across the DFW–DEN route.

Lagging the Frontier Airlines network.

F9 4069 arrived on time 64% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon64%(36 flights)
  • Tue67%(15 flights)
  • Wed75%(20 flights)
  • Thu63%(43 flights)
  • Fri67%(42 flights)
  • Sat62%(29 flights)
  • Sun60%(40 flights)
On-time by departure window
  • 6–9 PM71%(28 flights)
  • 9 PM–12 AM64%(197 flights)
On-time trend by month
75%
May

Jun 48% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202548%29
July 202565%23
August 202556%25
September 202574%27
October 202574%31
November 202563%19
December 202568%19
March 202660%15
April 202662%13
May 202675%20
Departures on time
67%
Diverted
0.4%
Flights flown
225
Months covered
11

Same route, other flights

Keep nerding

Based on 231 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.