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Flight Reliability

F9 3417 · Frontier Airlines

San Antonio → Las Vegas (SAT–LAS)100% of its flights flew this route. The rest (IAH–LAS) are included in these numbers.

82
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
1 min
Average arrival delay
1.4%
Cancelled
11 min early
Median arrival delay

Based on 222 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

F9 3417 departing between 12–3 PM arrived on time 88% of the time, versus 65% between 6–9 PM.

Friday is doing you no favors.

F9 3417 arrived on time 89% of the time on Thursdays. On Fridays: 74%.

Better than the Frontier Airlines network average.

F9 3417 arrived on time 83% of the time, versus 73% across the Frontier Airlines network.

Slipping a little lately.

F9 3417 arrived on time 79% of the time over the last three months in the data, compared with 84% in the three months before that.

The breakdown

On-time by weekday
  • Mon87%(37 flights)
  • Tue81%(16 flights)
  • Wed—(5 flights)
  • Thu89%(44 flights)
  • Fri74%(38 flights)
  • Sat86%(29 flights)
  • Sun83%(48 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM79%(29 flights)
  • 12–3 PM88%(126 flights)
  • 3–6 PM86%(28 flights)
  • 6–9 PM65%(26 flights)
  • 9 PM–12 AM—(7 flights)
On-time trend by month
67%
May

Jun 82% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%11
July 202594%16
August 202588%17
September 202581%21
October 202591%22
November 202586%22
December 202588%17
January 202681%16
February 202682%11
March 202694%16
April 202678%18
May 202667%30
Departures on time
84%
Diverted
0.9%
Flights flown
217
Months covered
12

Same route, other flights

Keep nerding

Based on 222 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.