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Flight Reliability

F9 3418 · Frontier Airlines

Las Vegas → San Antonio (LAS–SAT)

97
Nerd Approved
WanderNerd Reliability Score
90%
Arrive within 15 minutes
5 min early
Average arrival delay
0.4%
Cancelled
12 min early
Median arrival delay

Based on 223 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

F9 3418 departing between 6–9 AM arrived on time 93% of the time, versus 72% between 3–6 PM.

Monday is the weak spot.

F9 3418 arrived on time 94% of the time on Tuesdays. On Mondays: 87%.

Better than the LAS–SAT route average.

F9 3418 arrived on time 90% of the time, versus 77% across the LAS–SAT route.

Well ahead of the Frontier Airlines network.

F9 3418 arrived on time 90% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon87%(37 flights)
  • Tue94%(16 flights)
  • Wed—(5 flights)
  • Thu93%(45 flights)
  • Fri90%(39 flights)
  • Sat93%(29 flights)
  • Sun88%(51 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM93%(150 flights)
  • 9 AM–12 PM91%(35 flights)
  • 12–3 PM—(4 flights)
  • 3–6 PM72%(32 flights)
On-time trend by month
77%
May

Jun 100% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%11
July 202594%18
August 202588%17
September 202595%21
October 202596%22
November 202586%22
December 2025100%17
January 202694%16
February 202682%11
March 202684%19
April 202694%18
May 202677%30
Departures on time
90%
Diverted
0%
Flights flown
222
Months covered
12

Same route, other flights

Keep nerding

Based on 223 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.