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Flight Reliability

F9 4144 · Frontier Airlines

Sacramento → Las Vegas (SMF–LAS)

67
Usually Fine
WanderNerd Reliability Score
72%
Arrive within 15 minutes
13 min
Average arrival delay
2.8%
Cancelled
7 min early
Median arrival delay

Based on 141 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

F9 4144 departing between 6–9 AM arrived on time 100% of the time, versus 60% between 6–9 PM.

Friday is doing you no favors.

F9 4144 arrived on time 93% of the time on Saturdays and just 62% on Fridays. That gap is worth planning around.

Lagging the SMF–LAS route.

F9 4144 arrived on time 72% of the time, versus 81% across the SMF–LAS route.

Slipping a little lately.

F9 4144 arrived on time 72% of the time over the last three months in the data, compared with 78% in the three months before that.

The breakdown

On-time by weekday
  • Mon77%(26 flights)
  • Tue—(3 flights)
  • Wed—(2 flights)
  • Thu69%(26 flights)
  • Fri62%(34 flights)
  • Sat93%(14 flights)
  • Sun75%(32 flights)
On-time by departure window
  • 6–9 AM100%(13 flights)
  • 9 AM–12 PM79%(19 flights)
  • 12–3 PM81%(21 flights)
  • 3–6 PM66%(59 flights)
  • 6–9 PM60%(25 flights)
On-time trend by month
60%
May

Aug 50% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202550%12
September 202575%12
October 202555%11
January 202687%15
February 202692%13
March 202694%16
April 202663%19
May 202660%25
Departures on time
74%
Diverted
0%
Flights flown
137
Months covered
11

Same route, other flights

Keep nerding

Based on 141 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.