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

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

Historically, 87.2% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 4,144 flights.

HISTORICAL ROUTE SIGNALLower disruption
87.2%arrived on time
8.2%30+ min late
0.4%cancelled
4,144scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.5%all scheduled flights
120+ minutes late1.9%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival-0.7 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning95392.3%4.5%0.5%
Late morning1,18188.1%7.9%0.3%
Afternoon89885.9%8.9%0.2%
Evening1,11282.8%11.1%0.6%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday62286.7%7.6%1.0%
Tuesday55690.8%6.5%0.4%
Wednesday55488.1%6.5%0.2%
Thursday61087.5%6.9%0.3%
Friday61886.6%9.9%0.2%
Saturday56087.3%7.9%0.0%
Sunday62483.8%11.7%0.8%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines2,45187.9%7.8%0.4%
SkyWest Airlines69189.4%6.9%0.0%
Frontier Airlines45684.4%9.6%0.9%
Southwest Airlines37481.3%10.7%0.5%
United Airlines14988.6%10.1%0.0%
Spirit Airlines2387.0%4.3%4.3%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202529185.6%9.6%0.0%
August 202530285.8%10.3%0.3%
September 202533890.5%6.8%0.3%
October 202534991.7%4.9%0.0%
November 202532191.0%5.3%0.3%
December 202535684.8%9.3%2.0%
January 202639483.5%11.4%0.5%
February 202637489.6%7.0%0.3%
March 202642384.2%8.7%0.9%
April 202634285.4%10.2%0.0%
May 202632890.2%5.5%0.0%
June 202632685.0%8.9%0.0%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline58.3%
Late aircraft35.5%
National airspace5.0%
Weather1.1%
Security0.2%
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.