Route Reliability
Kalispell → Las Vegas
FCA–LAS · 846 miles · Glacier Park International Airport to Harry Reid International Airport
74
Usually Fine
WanderNerd Reliability Score
- 70%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 0.9%
- Cancelled
- 111
- Flights in the data
Data through May 2026.
Allegiant Air is the only airline in this data on this route, arriving on time 70% of the time across 111 flights. No comparison to make.
What the data says
The late departure is the smart one here.
FCA–LAS flights departing between 9 PM–12 AM arrived on time 94% of the time, versus 56% between 3–6 PM.
Thursdays have been rough.
FCA–LAS flights arrived on time 100% of the time on Tuesdays and just 57% on Thursdays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon—(1 flights)
- Tue100%(10 flights)
- Wed—(0 flights)
- Thu57%(47 flights)
- Fri—(2 flights)
- Sat—(2 flights)
- Sun77%(48 flights)
- 9 AM–12 PM67%(39 flights)
- 12–3 PM84%(19 flights)
- 3–6 PM56%(36 flights)
- 9 PM–12 AM94%(16 flights)
Keep nerding
Based on 111 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.