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

Salt Lake City, UT (SLC) to Los Angeles, CA (LAX) flight delay odds

85.8% of 4,146 official scheduled SLC-to-LAX flights arrived on time; 7.9% arrived at least 30 minutes late and 0.5% 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
85.8%arrived on time
7.9%30+ min late
0.5%cancelled
4,146scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.5%all scheduled flights
120+ minutes late1.4%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-2.8 mincompleted flights

Which departure time was most reliable for SLC to LAX?

Among qualifying SLC-to-LAX departure window results, Early morning had the highest on-time rate: 90.7% of 786 flights. Evening was lowest at 80.7% across 926 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning78690.7%4.8%0.4%
Late morning95589.9%6.1%0.2%
Afternoon1,06583.3%10.1%0.4%
Evening92680.7%9.6%0.6%
Night41485.0%8.7%1.0%

Which weekday was most reliable for SLC to LAX?

Among qualifying SLC-to-LAX weekday results, Wednesday had the highest on-time rate: 89.2% of 555 flights. Sunday was lowest at 82.9% across 624 flights.

DayFlightsOn time30+ minCancelled
Monday62185.3%8.4%0.6%
Tuesday55687.8%7.0%0.4%
Wednesday55589.2%5.6%0.2%
Thursday61184.0%9.3%0.2%
Friday61983.7%9.0%0.8%
Saturday56088.8%5.9%0.2%
Sunday62482.9%9.8%0.8%

Which airline was most reliable for SLC to LAX?

Among qualifying SLC-to-LAX airline results, United Airlines had the highest on-time rate: 91.9% of 148 flights. Southwest Airlines was lowest at 80.2% across 374 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines2,45485.0%8.1%0.4%
SkyWest Airlines69189.4%6.9%0.0%
Frontier Airlines45687.1%8.1%1.5%
Southwest Airlines37480.2%10.7%0.3%
United Airlines14891.9%3.4%0.0%
Spirit Airlines2387.0%4.3%4.3%

Which month was most reliable for SLC to LAX?

Among qualifying SLC-to-LAX month results, November 2025 had the highest on-time rate: 89.4% of 321 flights. July 2025 was lowest at 78.7% across 291 flights.

MonthFlightsOn time30+ minCancelled
July 202529178.7%11.0%0.7%
August 202530387.8%7.9%0.3%
September 202533884.0%9.5%0.6%
October 202534985.7%8.3%0.0%
November 202532189.4%5.9%0.6%
December 202535884.1%8.1%1.7%
January 202639184.7%8.4%0.5%
February 202637486.9%7.8%0.3%
March 202642288.2%6.6%0.7%
April 202634285.1%7.0%0.0%
May 202633087.9%7.9%0.0%
June 202632786.5%7.3%0.0%

What drove SLC to LAX delay minutes?

Airline was the largest recorded SLC-to-LAX delay category, accounting for 48.7% of 31,384 BTS-attributed delay minutes during July 2025–June 2026.

Airline48.7%
Late aircraft35.3%
National airspace12.4%
Weather3.6%
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.