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Flight Reliability

F9 2711 · Frontier Airlines

Denver → San Diego (DEN–SAN)

80
Pretty Reliable
WanderNerd Reliability Score
73%
Arrive within 15 minutes
12 min
Average arrival delay
0%
Cancelled
4 min early
Median arrival delay

Based on 263 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

F9 2711 departing between 6–9 PM arrived on time 85% of the time, versus 69% between 9 PM–12 AM.

Thursdays have been rough.

F9 2711 arrived on time 82% of the time on Wednesdays and just 55% on Thursdays. That gap is worth planning around.

A bit behind the DEN–SAN route.

F9 2711 arrived on time 73% of the time, versus 76% across the DEN–SAN route.

It basically never cancels.

Out of 263 scheduled flights, only 0.0% were cancelled.

The breakdown

On-time by weekday
  • Mon78%(36 flights)
  • Tue76%(45 flights)
  • Wed82%(45 flights)
  • Thu55%(29 flights)
  • Fri74%(38 flights)
  • Sat73%(37 flights)
  • Sun70%(33 flights)
On-time by departure window
  • 6–9 AM—(4 flights)
  • 3–6 PM75%(36 flights)
  • 6–9 PM85%(47 flights)
  • 9 PM–12 AM69%(176 flights)
On-time trend by month
100%
Mar

Jun 53% → Mar 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%30
July 202542%31
August 202571%31
September 202577%30
October 202584%31
November 202584%19
December 202586%28
January 202679%24
February 202675%12
March 2026100%10
Departures on time
72%
Diverted
0%
Flights flown
263
Months covered
12

Same route, other flights

Keep nerding

Based on 263 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.