LAS to BIS flight delays & on-time performance
Nonstop flights from Harry Reid International Airport to Bismarck Municipal Airport · 1,048 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAS or BIS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Las Vegas (LAS) to Bismarck/Mandan (BIS) arrived on time 93% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0% were cancelled, and 3% arrived an hour or more late.
- Allegiant Air is the only airline reporting nonstop flights on this route.
- Thursday was the most reliable day to fly (98% on time) and Sunday the least (92%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (63%).
Which airline is most on time from LAS to BIS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Allegiant Air | 93% | 0.0% | 4 min | 2.6% | 116 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
Not enough departures across different hours to compare.
Best day of the week
On-time arrival rate by day of departure.
- Monday67%0.0% cancelled
- Tuesday100%0.0% cancelled
- Wednesday100%0.0% cancelled
- Thursday98%0.0% cancelled
- Friday67%0.0% cancelled
- Saturday86%0.0% cancelled
- Sunday92%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)63%
- Air traffic control & airport congestion20%
- Extreme weather17%
- Late-arriving aircraft0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
LAS to BIS: common questions
- How often are LAS to BIS flights on time?
- 93% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Las Vegas to Bismarck/Mandan cancelled?
- 0.0% of scheduled flights were cancelled (0 of 116).
- How long are typical delays?
- Across all flights the average arrival delay was 4 min (early arrivals count as zero). Flights that were late arrived 56 min behind schedule on average, and 2.6% of flights were an hour or more late.
- How long is taxi time at LAS?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BIS to LAS — 82% on time
More flights from Las Vegas
More flights to Bismarck/Mandan
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LAS → BIS, nonstop flights by US airlines that report to the DOT. How we calculate this.