LAS to BOI flight delays & on-time performance
Nonstop flights from Harry Reid International Airport to Boise Air Terminal/Gowen Field · 519 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAS or BOI 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 Boise (BOI) arrived on time 73% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.1% were cancelled, and 8% arrived an hour or more late.
- Alaska Airlines was the most punctual airline here (86% on time); Southwest Airlines was the least (72%).
- Departures scheduled around 8am did best (93% on time); around 6pm did worst (40%).
- Wednesday was the most reliable day to fly (84% on time) and Sunday the least (64%).
- The largest source of delay minutes was late-arriving aircraft (57%).
Which airline is most on time from LAS to BOI?
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 |
|---|---|---|---|---|---|
| Alaska Airlines | 86% | 0.0% | 15 min | 7.0% | 71 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 75% | 0.5% | 20 min | 10.2% | 188 |
| Southwest Airlines | 72% | 0.1% | 15 min | 6.9% | 1,050 |
| Allegiant Air | 71% | 0.0% | 24 min | 21.4% | 14 |
| Spirit Airlines | 64% | 0.0% | 32 min | 17.9% | 39 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am93%41 flights
- 8am93%197 flights
- 9am83%109 flights
- 10am76%50 flights
- 11am82%28 flights
- 1pm67%18 flights
- 2pm77%151 flights
- 3pm56%39 flights
- 4pm62%103 flights
- 5pm45%31 flights
- 6pm40%55 flights
- 7pm76%153 flights
- 8pm79%117 flights
- 9pm74%109 flights
- 10pm47%148 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday68%0.0% cancelled
- Tuesday81%0.0% cancelled
- Wednesday84%0.0% cancelled
- Thursday69%0.5% cancelled
- Friday68%0.5% cancelled
- Saturday82%0.0% cancelled
- Sunday64%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.
- Late-arriving aircraft57%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion9%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
LAS to BOI: common questions
- How often are LAS to BOI flights on time?
- 73% 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 Boise cancelled?
- 0.1% of scheduled flights were cancelled (2 of 1,362).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 54 min behind schedule on average, and 7.8% of flights were an hour or more late.
- How long is taxi time at LAS?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BOI to LAS — 81% on time
More flights from Las Vegas
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LAS → BOI, nonstop flights by US airlines that report to the DOT. How we calculate this.