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

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

Historically, 85.8% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 4,146 flights.

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

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 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%

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
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%

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 Lines2,45485.0%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%

Monthly trend

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

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 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.

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.