LAX to SLC flight delays & on-time performance
Nonstop flights from Los Angeles International Airport to Salt Lake City International Airport · 590 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAX or SLC right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Los Angeles (LAX) to Salt Lake City (SLC) arrived on time 88% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.5% were cancelled, and 5% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (89% on time); Southwest Airlines was the least (80%).
- Departures scheduled around 5am did best (95% on time); around 5pm did worst (78%).
- Tuesday was the most reliable day to fly (92% on time) and Sunday the least (84%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (56%).
Which airline is most on time from LAX to SLC?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Spirit Airlines | 91% | 4.3% | 4 min | 0.0% | 23 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 89% | 0.0% | 9 min | 4.3% | 721 |
| United Airlines | 89% | 0.0% | 8 min | 4.7% | 149 |
| Delta Air Lines | 89% | 0.4% | 10 min | 4.7% | 2,452 |
| Frontier Airlines | 85% | 1.3% | 13 min | 5.4% | 470 |
| Southwest Airlines | 80% | 0.5% | 9 min | 4.0% | 374 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am95%258 flights
- 6am97%115 flights
- 7am92%429 flights
- 8am90%135 flights
- 9am91%459 flights
- 10am80%281 flights
- 11am89%467 flights
- 12pm91%136 flights
- 1pm88%564 flights
- 2pm73%44 flights
- 4pm90%153 flights
- 5pm78%453 flights
- 6pm90%134 flights
- 7pm88%472 flights
- 8pm72%53 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday87%1.1% cancelled
- Tuesday92%0.5% cancelled
- Wednesday89%0.2% cancelled
- Thursday88%0.3% cancelled
- Friday87%0.2% cancelled
- Saturday87%0.0% cancelled
- Sunday84%1.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)56%
- Late-arriving aircraft37%
- Air traffic control & airport congestion6%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)85%
- Extreme weather15%
- Air traffic control & airport congestion0%
- Security0%
LAX to SLC: common questions
- How often are LAX to SLC flights on time?
- 88% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Los Angeles to Salt Lake City cancelled?
- 0.5% of scheduled flights were cancelled (20 of 4,189).
- How long are typical delays?
- Across all flights the average arrival delay was 10 min (early arrivals count as zero). Flights that were late arrived 73 min behind schedule on average, and 4.6% of flights were an hour or more late.
- How long is taxi time at LAX?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SLC to LAX — 86% on time
More flights from Los Angeles
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LAX → SLC, nonstop flights by US airlines that report to the DOT. How we calculate this.