BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
LAS→BOI

Las Vegas, NV (LAS) to Boise, ID (BOI) flight delay odds

73.2% of 1,400 official scheduled LAS-to-BOI flights arrived on time; 15.6% arrived at least 30 minutes late and 0.1% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
73.2%arrived on time
15.6%30+ min late
0.1%cancelled
1,400scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.7%all scheduled flights
120+ minutes late2.6%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+8.9 mincompleted flights

Which departure time was most reliable for LAS to BOI?

Among qualifying LAS-to-BOI departure window results, Early morning had the highest on-time rate: 91.3% of 229 flights. Night was lowest at 60.2% across 284 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning22991.3%3.1%0.0%
Late morning19882.3%8.1%0.0%
Afternoon36068.9%19.7%0.3%
Evening32971.1%15.8%0.3%
Night28460.2%25.4%0.0%

Which weekday was most reliable for LAS to BOI?

Among qualifying LAS-to-BOI weekday results, Saturday had the highest on-time rate: 83.5% of 164 flights. Sunday was lowest at 65.1% across 215 flights.

DayFlightsOn time30+ minCancelled
Monday22068.2%16.8%0.0%
Tuesday18681.2%10.8%0.0%
Wednesday18781.3%10.7%0.0%
Thursday20969.9%17.7%0.5%
Friday21968.0%21.5%0.5%
Saturday16483.5%7.3%0.0%
Sunday21565.1%20.9%0.0%

Which airline was most reliable for LAS to BOI?

Among qualifying LAS-to-BOI airline results, Alaska Airlines had the highest on-time rate: 85.9% of 71 flights. Spirit Airlines was lowest at 66.0% across 47 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,04972.4%15.2%0.1%
SkyWest Airlines21974.4%16.4%0.5%
Alaska Airlines7185.9%11.3%0.0%
Spirit Airlines4766.0%25.5%0.0%
Allegiant Air1471.4%21.4%0.0%

Which month was most reliable for LAS to BOI?

Among qualifying LAS-to-BOI month results, August 2025 had the highest on-time rate: 83.3% of 120 flights. June 2026 was lowest at 54.7% across 95 flights.

MonthFlightsOn time30+ minCancelled
July 202512767.7%19.7%0.0%
August 202512083.3%9.2%0.0%
September 202511569.6%16.5%0.9%
October 202512072.5%16.7%0.0%
November 202511372.6%15.9%0.9%
December 202512076.7%13.3%0.0%
January 202611682.8%7.8%0.0%
February 202610980.7%11.0%0.0%
March 202612276.2%12.3%0.0%
April 202612074.2%15.8%0.0%
May 202612365.0%22.8%0.0%
June 20269554.7%27.4%0.0%

What drove LAS to BOI delay minutes?

Late aircraft was the largest recorded LAS-to-BOI delay category, accounting for 56.5% of 20,140 BTS-attributed delay minutes during July 2025–June 2026.

Airline31.6%
Late aircraft56.5%
National airspace10.2%
Weather1.6%
Security0.1%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.