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Flight Reliability

F9 3737 · Frontier Airlines

Las Vegas → Santa Ana (LAS–SNA)

78
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
4 min
Average arrival delay
1.8%
Cancelled
9 min early
Median arrival delay

Based on 163 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

F9 3737 departing between 6–9 PM arrived on time 85% of the time, versus 74% between 3–6 PM.

Thursdays have been rough.

F9 3737 arrived on time 84% of the time on Fridays and just 68% on Thursdays. That gap is worth planning around.

A bit behind the LAS–SNA route.

F9 3737 arrived on time 77% of the time, versus 83% across the LAS–SNA route.

A bit ahead of the Frontier Airlines network.

F9 3737 arrived on time 77% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon78%(41 flights)
  • Tue—(0 flights)
  • Wed—(1 flights)
  • Thu68%(31 flights)
  • Fri84%(38 flights)
  • Sat80%(10 flights)
  • Sun74%(39 flights)
On-time by departure window
  • 6–9 AM—(2 flights)
  • 9 AM–12 PM—(7 flights)
  • 12–3 PM74%(31 flights)
  • 3–6 PM74%(100 flights)
  • 6–9 PM85%(20 flights)
On-time trend by month
88%
Apr

Jun 75% → Apr 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%16
July 202559%17
August 202567%18
September 202577%13
October 202579%14
November 202581%16
December 202582%17
January 202660%10
March 202686%14
April 202688%16
Departures on time
78%
Diverted
0%
Flights flown
160
Months covered
12

Same route, other flights

Keep nerding

Based on 163 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.