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

Boise, ID (BOI) to Los Angeles, CA (LAX) flight delay odds

93.4% of 1,372 official scheduled BOI-to-LAX flights arrived on time; 3.8% arrived at least 30 minutes late and 0.2% 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 SIGNALLower disruption
93.4%arrived on time
3.8%30+ min late
0.2%cancelled
1,372scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late2.2%all scheduled flights
120+ minutes late1.4%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-6.7 mincompleted flights

Which departure time was most reliable for BOI to LAX?

Among qualifying BOI-to-LAX departure window results, Early morning had the highest on-time rate: 93.5% of 881 flights. Afternoon was lowest at 92.5% across 425 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning88193.5%3.4%0.2%
Afternoon42592.5%4.7%0.2%

Which weekday was most reliable for BOI to LAX?

Among qualifying BOI-to-LAX weekday results, Monday had the highest on-time rate: 94.4% of 198 flights. Sunday was lowest at 91.9% across 197 flights.

DayFlightsOn time30+ minCancelled
Monday19894.4%3.5%0.5%
Tuesday19792.9%3.6%0.5%
Wednesday19392.7%4.1%0.0%
Thursday19593.3%3.6%0.5%
Friday19593.8%3.6%0.0%
Saturday19794.4%2.0%0.0%
Sunday19791.9%6.1%0.0%

Which airline was most reliable for BOI to LAX?

Among qualifying BOI-to-LAX airline results, SkyWest Airlines had the highest on-time rate: 94.0% of 1,341 flights. Alaska Airlines was lowest at 67.7% across 31 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,34194.0%3.5%0.1%
Alaska Airlines3167.7%16.1%6.5%

Which month was most reliable for BOI to LAX?

Among qualifying BOI-to-LAX month results, June 2026 had the highest on-time rate: 98.4% of 126 flights. December 2025 was lowest at 86.9% across 122 flights.

MonthFlightsOn time30+ minCancelled
July 202512297.5%1.6%0.0%
August 202512295.1%3.3%0.0%
September 202512094.2%4.2%0.0%
October 202512394.3%4.1%0.0%
November 202511792.3%6.0%0.9%
December 202512286.9%3.3%1.6%
January 20269689.6%7.3%0.0%
February 20268491.7%1.2%0.0%
March 20269389.2%8.6%0.0%
April 202610993.6%4.6%0.0%
May 202613894.9%2.2%0.0%
June 202612698.4%0.8%0.0%

What drove BOI to LAX delay minutes?

Airline was the largest recorded BOI-to-LAX delay category, accounting for 70.5% of 6,883 BTS-attributed delay minutes during July 2025–June 2026.

Airline70.5%
Late aircraft15.6%
National airspace10.6%
Weather3.3%
Security0.0%
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.