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Flight Reliability

F9 2996 · Frontier Airlines

Denver → Houston (DEN–IAH)

81
Pretty Reliable
WanderNerd Reliability Score
73%
Arrive within 15 minutes
8 min
Average arrival delay
0%
Cancelled
9 min early
Median arrival delay

Based on 332 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

F9 2996 departing between 9 PM–12 AM arrived on time 80% of the time, versus 65% between 6–9 PM.

Friday is doing you no favors.

F9 2996 arrived on time 86% of the time on Wednesdays and just 58% on Fridays. That gap is worth planning around.

A bit behind the DEN–IAH route.

F9 2996 arrived on time 73% of the time, versus 79% across the DEN–IAH route.

It basically never cancels.

Out of 332 scheduled flights, only 0.0% were cancelled.

The breakdown

On-time by weekday
  • Mon69%(51 flights)
  • Tue82%(34 flights)
  • Wed86%(50 flights)
  • Thu73%(52 flights)
  • Fri58%(52 flights)
  • Sat84%(43 flights)
  • Sun62%(50 flights)
On-time by departure window
  • 3–6 PM—(9 flights)
  • 6–9 PM65%(169 flights)
  • 9 PM–12 AM80%(154 flights)
On-time trend by month
81%
May

Jun 57% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%30
July 202542%31
August 202559%29
September 202552%21
October 202581%26
November 202593%30
December 202577%31
January 202687%23
February 202687%23
March 202670%30
April 202689%27
May 202681%31
Departures on time
66%
Diverted
0%
Flights flown
332
Months covered
12

Same route, other flights

Keep nerding

Based on 332 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.