SLC to LAX flight delays

SLC LAX Salt Lake City to Los Angeles · 590 miles

12,950 flights were scheduled from SLC to LAX over July 2023 through June 2026. Of the 12,904 that made the trip, 85% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
12,950
Arrived on time
85%
Cancelled
0.3%
Scheduled distance
590 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on SLC–LAX, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
Delta Air Lines 85.7% 56 min 0.4% 7,364
SkyWest Airlines 89.2% 71 min 0% 2,262
Southwest Airlines 74.8% 49 min 0.1% 1,128
JetBlue Airways 81.4% 75 min 0.1% 782
Spirit Airlines 80.9% 68 min 0.9% 644
Frontier Airlines 88.3% 69 min 1.3% 621
United Airlines 91.9% 0% 148

A dash under typical delay means fewer than 30 of that airline’s flights arrived 15 minutes late or more — too few to average.

Month by month

July was the month to avoid on SLC–LAX: 76.4% of flights arrived on time, against 89.3% in November. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 85%.
Arrival on-time share, SLC to LAX, by calendar month
Month Share flights that arrived on time Flights
January 85.4% 1,256
February 84.2% 1,204
March 87.4% 1,299
April 86.6% 1,121
May 86.8% 1,096
June 82.9% 970
July 76.4% 995
August 81.3% 1,010
September 85.8% 1,003
October 87.8% 1,032
November 89.3% 924
December 85.5% 1,040

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

SLC to LAX in one number

SLC → LAX

When a flight on this route was late, it was late by about 59 min.

July 2023–June 2026 · 12,950 flights

85% of flights arrived on time

Questions about SLC to LAX

Which airline is most reliable from SLC to LAX?
United Airlines — its flights on this pairing arrived on time 91.9% of the time, with 148 scheduled. Southwest Airlines came in at 74.8% over 1,128 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly SLC to LAX?
July, at 76.4% of arrivals on time, with 995 flights scheduled. November was the best of the year at 89.3%.
How late are SLC–LAX flights when they are late?
59 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the SLC to LAX flight cancelled?
0.3% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at LAX less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.