Route Reliability
BIL → Las Vegas
BIL–LAS · 754 miles · BIL Airport to Harry Reid International Airport
86
Pretty Reliable
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 19 min
- Average arrival delay
- 0%
- Cancelled
- 133
- Flights in the data
Data through May 2026.
Allegiant Air is the only airline in this data on this route, arriving on time 83% of the time across 133 flights. No comparison to make.
What the data says
The 3–6 PM departure wins.
BIL–LAS flights departing between 3–6 PM arrived on time 100% of the time, versus 69% between 12–3 PM.
Monday comes out ahead.
A small edge: 85% on time on Mondays against 80% on Wednesdays.
It basically never cancels.
Out of 133 scheduled flights, only 0.0% were cancelled.
Flights on this route
The breakdown
- Mon85%(52 flights)
- Tue—(1 flights)
- Wed80%(10 flights)
- Thu—(6 flights)
- Fri85%(52 flights)
- Sat—(3 flights)
- Sun—(9 flights)
- 9 AM–12 PM91%(63 flights)
- 12–3 PM69%(13 flights)
- 3–6 PM100%(11 flights)
- 6–9 PM—(6 flights)
- 9 PM–12 AM70%(40 flights)
80%
Jan
Jun 85% → Jan 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 85% | 13 |
| October 2025 | 77% | 17 |
| November 2025 | 70% | 10 |
| December 2025 | 91% | 22 |
| January 2026 | 80% | 10 |
Keep nerding
Based on 133 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.