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Flight Reliability

F9 2524 · Frontier Airlines

Phoenix → Salt Lake City (PHX–SLC)

61
A Little Dicey
WanderNerd Reliability Score
71%
Arrive within 15 minutes
16 min
Average arrival delay
3.9%
Cancelled
9 min early
Median arrival delay

Based on 206 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

F9 2524 departing between 12–3 PM arrived on time 78% of the time, versus 58% between 6–9 PM.

Mondays have been rough.

F9 2524 arrived on time 82% of the time on Thursdays and just 61% on Mondays. That gap is worth planning around.

Lagging the PHX–SLC route.

F9 2524 arrived on time 71% of the time, versus 84% across the PHX–SLC route.

Keep a backup plan handy.

F9 2524 was cancelled 3.9% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon61%(46 flights)
  • Tue—(4 flights)
  • Wed80%(15 flights)
  • Thu82%(28 flights)
  • Fri77%(44 flights)
  • Sat68%(22 flights)
  • Sun69%(39 flights)
On-time by departure window
  • 6–9 AM—(4 flights)
  • 9 AM–12 PM—(2 flights)
  • 12–3 PM78%(41 flights)
  • 3–6 PM71%(132 flights)
  • 6–9 PM58%(19 flights)
On-time trend by month
62%
May

Jun 69% → May 62% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%16
July 202550%20
August 202579%19
September 202557%14
October 202585%20
November 202581%21
December 202579%19
January 202673%15
February 202683%12
March 202671%14
April 202660%15
May 202662%13
Departures on time
68%
Diverted
0%
Flights flown
198
Months covered
12

Same route, other flights

Keep nerding

Based on 206 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.