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Flight Reliability

F9 2147 · Frontier Airlines

Dallas–Fort Worth → Denver (DFW–DEN)

91
Nerd Approved
WanderNerd Reliability Score
91%
Arrive within 15 minutes
3 min early
Average arrival delay
1.7%
Cancelled
12 min early
Median arrival delay

Based on 359 historical flights. Data through May 2026.

What the data says

Wednesdays have been rough.

F9 2147 arrived on time 100% of the time on Sundays and just 82% on Wednesdays. That gap is worth planning around.

Well ahead of the DFW–DEN route.

F9 2147 arrived on time 91% of the time, versus 70% across the DFW–DEN route.

Well ahead of the Frontier Airlines network.

F9 2147 arrived on time 91% of the time, versus 73% across the Frontier Airlines network.

Ticking up lately.

F9 2147 arrived on time 92% of the time over the last three months in the data, compared with 86% in the three months before that.

The breakdown

On-time by weekday
  • Mon86%(51 flights)
  • Tue94%(47 flights)
  • Wed82%(51 flights)
  • Thu96%(51 flights)
  • Fri92%(51 flights)
  • Sat86%(50 flights)
  • Sun100%(51 flights)
On-time by departure window
  • 3–6 AM91%(163 flights)
  • 6–9 AM91%(181 flights)
  • 9 AM–12 PM—(5 flights)
  • 12–3 PM—(3 flights)
On-time trend by month
96%
May

Jun 90% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%29
July 202593%29
August 202581%31
September 202597%30
October 2025100%31
November 202597%30
December 202583%30
January 202682%28
February 202693%28
March 202694%31
April 202685%27
May 202696%28
Departures on time
92%
Diverted
0.3%
Flights flown
352
Months covered
12

Same route, other flights

Keep nerding

Based on 359 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.