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Flight Reliability

F9 4768 · Frontier Airlines

Phoenix → Denver (PHX–DEN)

90
Nerd Approved
WanderNerd Reliability Score
86%
Arrive within 15 minutes
2 min
Average arrival delay
1.2%
Cancelled
12 min early
Median arrival delay

Based on 251 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 6–9 AM arrived on time 89% of the time, against 85% between 9 AM–12 PM.

Sunday scaries are real for this one.

F9 4768 arrived on time 93% of the time on Thursdays. On Sundays: 79%.

Better than the PHX–DEN route average.

F9 4768 arrived on time 86% of the time, versus 78% across the PHX–DEN route.

Better than the Frontier Airlines network average.

F9 4768 arrived on time 86% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon86%(44 flights)
  • Tue80%(20 flights)
  • Wed89%(26 flights)
  • Thu93%(43 flights)
  • Fri91%(42 flights)
  • Sat83%(30 flights)
  • Sun79%(43 flights)
On-time by departure window
  • 6–9 AM89%(54 flights)
  • 9 AM–12 PM85%(122 flights)
  • 12–3 PM87%(69 flights)
  • 6–9 PM—(3 flights)
On-time trend by month
96%
May

Jun 85% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%20
July 2025100%20
August 202589%26
September 202583%30
October 202590%31
November 202586%28
December 202583%24
March 202668%22
April 202695%19
May 202696%23
Departures on time
86%
Diverted
0%
Flights flown
248
Months covered
11

Same route, other flights

Keep nerding

Based on 251 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.