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Flight Reliability

F9 4672 · Frontier Airlines

Phoenix → Detroit (PHX–DTW)

83
Pretty Reliable
WanderNerd Reliability Score
80%
Arrive within 15 minutes
4 min
Average arrival delay
1.3%
Cancelled
9 min early
Median arrival delay

Based on 233 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

F9 4672 departing between 3–6 PM arrived on time 94% of the time, versus 67% between 12–3 AM.

Friday is doing you no favors.

F9 4672 arrived on time 91% of the time on Thursdays and just 62% on Fridays. That gap is worth planning around.

A bit ahead of the Frontier Airlines network.

F9 4672 arrived on time 80% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon70%(33 flights)
  • Tue89%(28 flights)
  • Wed81%(31 flights)
  • Thu91%(35 flights)
  • Fri62%(34 flights)
  • Sat85%(33 flights)
  • Sun83%(36 flights)
On-time by departure window
  • 12–3 AM67%(27 flights)
  • 6–9 AM89%(46 flights)
  • 9 AM–12 PM73%(11 flights)
  • 12–3 PM86%(57 flights)
  • 3–6 PM94%(16 flights)
  • 9 PM–12 AM73%(73 flights)
On-time trend by month
67%
May

Jun 68% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%25
July 202580%30
August 202573%22
September 202564%14
October 202574%19
November 202591%21
December 202591%23
January 202694%16
February 202691%22
May 202667%27
Departures on time
78%
Diverted
0%
Flights flown
230
Months covered
12

Same route, other flights

Keep nerding

Based on 233 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.