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Flight Reliability

F9 1572 · Frontier Airlines

San Diego → Phoenix (SAN–PHX)

56
A Little Dicey
WanderNerd Reliability Score
73%
Arrive within 15 minutes
26 min
Average arrival delay
3.7%
Cancelled
9 min early
Median arrival delay

Based on 164 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

F9 1572 departing between 9 AM–12 PM arrived on time 87% of the time, versus 56% between 9 PM–12 AM.

Sunday scaries are real for this one.

F9 1572 arrived on time 96% of the time on Saturdays and just 42% on Sundays. That gap is worth planning around.

A bit behind the SAN–PHX route.

F9 1572 arrived on time 73% of the time, versus 77% across the SAN–PHX route.

Keep a backup plan handy.

F9 1572 was cancelled 3.7% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon61%(23 flights)
  • Tue81%(21 flights)
  • Wed93%(28 flights)
  • Thu83%(18 flights)
  • Fri50%(24 flights)
  • Sat96%(24 flights)
  • Sun42%(19 flights)
On-time by departure window
  • 6–9 AM80%(50 flights)
  • 9 AM–12 PM87%(37 flights)
  • 12–3 PM77%(13 flights)
  • 3–6 PM71%(14 flights)
  • 6–9 PM—(2 flights)
  • 9 PM–12 AM56%(41 flights)
On-time trend by month
80%
May

Jul 73% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202573%15
August 202565%17
September 202585%13
October 202583%18
November 202564%22
December 202579%24
January 202675%12
February 2026100%10
May 202680%10
Departures on time
70%
Diverted
0.6%
Flights flown
157
Months covered
11

Same route, other flights

Keep nerding

Based on 164 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.