Route
BIS → LAS
Bismarck Municipal Airport Harry Reid International Airport
1,048 miles
Return route LAS → BIS →
How punctual is this route?
- On-time arrivals
- 80.0%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 84 min
- Flights arriving 15+ minutes late
- Flights tracked
- 116
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 61%
- Air traffic control & airport 19%
- Late-arriving aircraft 12%
- Security 5%
- Extreme weather 4%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.5% | 8 |
| October 2025 | 77.8% | 9 |
| November 2025 | 70.0% | 10 |
| December 2025 | 76.5% | 18 |
| January 2026 | 50.0% | 8 |
| February 2026 | 87.5% | 8 |
| March 2026 | 72.7% | 11 |
| April 2026 | 100.0% | 9 |
| May 2026 | 77.8% | 9 |
| June 2026 | 100.0% | 8 |
| July 2026 | 88.9% | 9 |
| August 2026 | 77.8% | 9 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Allegiant Air | 116 | 80.0% | 0.9% | 84 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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