Flight Reliability
F9 3419 · Frontier Airlines
San Antonio → Las Vegas (SAT–LAS)
79
Usually Fine
WanderNerd Reliability Score
- 71%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0%
- Cancelled
- 7 min early
- Median arrival delay
Based on 38 historical flights. Data through May 2026.
What the data says
Thursday has been the better bet.
A small edge: 75% on time on Thursdays against 71% on Sundays.
Lagging the SAT–LAS route.
F9 3419 arrived on time 71% of the time, versus 84% across the SAT–LAS route.
The breakdown
- Mon—(6 flights)
- Tue—(0 flights)
- Wed—(0 flights)
- Thu75%(12 flights)
- Fri—(6 flights)
- Sat—(0 flights)
- Sun71%(14 flights)
- 6–9 PM—(2 flights)
- 9 PM–12 AM69%(36 flights)
- Departures on time
- 66%
- Diverted
- 0%
- Flights flown
- 38
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 38 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.