Skip to content
WanderNerd
Check a flight

Route Reliability

Salt Lake City → Los Angeles

SLC–LAX · 590 miles · Salt Lake City International Airport to Los Angeles International Airport

93
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
3 min early
Average arrival delay
0.5%
Cancelled
4,117
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.American Airlines93%201 flights
  2. 2.United Airlines89%622 flights
  3. 3.Frontier Airlines89%444 flights
  4. 4.Delta Air Lines86%2,453 flights
  5. 5.Southwest Airlines80%374 flights

Not enough history to rank: Spirit Airlines (23 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

SLC–LAX flights departing between 9 AM–12 PM arrived on time 91% of the time, versus 81% between 6–9 PM.

Wednesday comes out ahead.

A small edge: 90% on time on Wednesdays against 84% on Thursdays.

American Airlines runs this route best.

American Airlines arrived on time 93% of the time on this route; Southwest Airlines managed 80%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon86%(616 flights)
  • Tue89%(535 flights)
  • Wed90%(546 flights)
  • Thu84%(609 flights)
  • Fri85%(609 flights)
  • Sat90%(552 flights)
  • Sun84%(628 flights)
On-time by departure window
  • 6–9 AM91%(785 flights)
  • 9 AM–12 PM91%(901 flights)
  • 12–3 PM83%(434 flights)
  • 3–6 PM85%(1116 flights)
  • 6–9 PM81%(458 flights)
  • 9 PM–12 AM85%(401 flights)
On-time trend by month
89%
May

Jun 85% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%296
July 202580%288
August 202589%302
September 202585%336
October 202587%349
November 202590%319
December 202586%352
January 202685%389
February 202688%373
March 202690%419
April 202686%342
May 202689%330

Same trip, other airports

Keep nerding

Based on 4,117 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.