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Route Reliability

Las Vegas → Boise

LAS–BOI · 519 miles · Harry Reid International Airport to Boise Airport

82
Pretty Reliable
WanderNerd Reliability Score
75%
Arrive within 15 minutes
9 min
Average arrival delay
0.3%
Cancelled
1,464
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Alaska Airlines75%345 flights
  2. 2.Southwest Airlines75%1,049 flights

Not enough history to rank: Spirit Airlines (56 flights), Allegiant Air (14 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning-you made the right choice.

LAS–BOI flights departing between 6–9 AM arrived on time 92% of the time, versus 60% between 3–6 PM.

Sunday scaries are real for this one.

LAS–BOI flights arrived on time 84% of the time on Saturdays and just 68% on Sundays. That gap is worth planning around.

Not much between Alaska Airlines and Southwest Airlines.

On this route they all land within 75% to 75% on time. Pick on schedule and price.

It basically never cancels.

Out of 1,464 scheduled flights, only 0.3% were cancelled.

Flights on this route

The breakdown

On-time by weekday
  • Mon70%(234 flights)
  • Tue82%(190 flights)
  • Wed84%(194 flights)
  • Thu71%(214 flights)
  • Fri70%(229 flights)
  • Sat84%(171 flights)
  • Sun68%(227 flights)
On-time by departure window
  • 6–9 AM92%(231 flights)
  • 9 AM–12 PM83%(206 flights)
  • 12–3 PM75%(214 flights)
  • 3–6 PM60%(195 flights)
  • 6–9 PM76%(314 flights)
  • 9 PM–12 AM65%(299 flights)
On-time trend by month
66%
May

Jun 73% → May 66% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%124
July 202569%127
August 202584%120
September 202571%114
October 202573%120
November 202573%122
December 202577%135
January 202683%120
February 202681%109
March 202676%125
April 202674%120
May 202666%123

Keep nerding

Based on 1,464 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.