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Flight Reliability

F9 1720 · Frontier Airlines

Santa Ana → Phoenix (SNA–PHX)

88
Pretty Reliable
WanderNerd Reliability Score
86%
Arrive within 15 minutes
7 min
Average arrival delay
0.8%
Cancelled
9 min early
Median arrival delay

Based on 131 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

F9 1720 arrived on time 100% of the time on Saturdays and just 79% on Sundays. That gap is worth planning around.

A bit ahead of the SNA–PHX route.

F9 1720 arrived on time 86% of the time, versus 83% across the SNA–PHX route.

Better than the Frontier Airlines network average.

F9 1720 arrived on time 86% of the time, versus 73% across the Frontier Airlines network.

Trending in the right direction.

F9 1720 arrived on time 91% of the time over the last three months in the data, compared with 77% in the three months before that.

The breakdown

On-time by weekday
  • Mon83%(35 flights)
  • Tue—(1 flights)
  • Wed—(1 flights)
  • Thu91%(21 flights)
  • Fri82%(28 flights)
  • Sat100%(19 flights)
  • Sun79%(24 flights)
On-time by departure window
  • 9 AM–12 PM86%(42 flights)
  • 12–3 PM85%(54 flights)
  • 3–6 PM88%(33 flights)
On-time trend by month
92%
May

Sep 100% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
September 2025100%20
October 202569%16
November 202567%15
December 202583%12
January 202682%17
February 2026100%14
March 202682%11
May 202692%12
Departures on time
88%
Diverted
0.8%
Flights flown
129
Months covered
10

Same route, other flights

Keep nerding

Based on 131 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.