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Flight Reliability

F9 3850 · Frontier Airlines

Las Vegas → El Paso (LAS–ELP)

98
Nerd Approved
WanderNerd Reliability Score
90%
Arrive within 15 minutes
6 min early
Average arrival delay
0%
Cancelled
15 min early
Median arrival delay

Based on 168 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

F9 3850 departing between 9 AM–12 PM arrived on time 100% of the time, versus 78% between 3–6 PM.

Monday is the weak spot.

F9 3850 arrived on time 95% of the time on Saturdays. On Mondays: 85%.

Better than the LAS–ELP route average.

F9 3850 arrived on time 90% of the time, versus 77% across the LAS–ELP route.

Well ahead of the Frontier Airlines network.

F9 3850 arrived on time 90% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon85%(34 flights)
  • Tue—(6 flights)
  • Wed91%(11 flights)
  • Thu88%(33 flights)
  • Fri93%(30 flights)
  • Sat95%(19 flights)
  • Sun91%(35 flights)
On-time by departure window
  • 6–9 AM91%(104 flights)
  • 9 AM–12 PM100%(18 flights)
  • 12–3 PM—(4 flights)
  • 3–6 PM78%(23 flights)
  • 6–9 PM95%(19 flights)
On-time trend by month
91%
Mar

Jun 94% → Mar 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202594%17
July 202594%17
August 202583%18
September 202591%21
October 202596%23
November 202583%23
January 202670%10
March 202691%23
Departures on time
90%
Diverted
0%
Flights flown
168
Months covered
12

Same route, other flights

Keep nerding

Based on 168 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.