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.
| 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.
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.