OnTimeRoutes
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Delta Air Lines LAX to SLC on-time performance

Delta Air Lines nonstop flights from Los Angeles to Salt Lake City · Aug 2025 – Jul 2026

On-time arrivals
89%
arrived < 15 min late
Cancelled
0.4%
11 flights
Avg arrival delay
10 min
80 min when late
Rank on route
#4 of 6
route average 88% on time

Key facts

  • Delta Air Lines flights on LAX to SLC arrived on time 89% of the time in Aug 2025 – Jul 2026.
  • 0.4% were cancelled, and 5% arrived an hour or more late.
  • That ranks #4 of 6 airlines on this route, which averaged 88% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (69%).

On-time trend by month

70%85%100%July 2025: 86.8% on time, 0.0% cancelledJul ’25August 2025: 85.0% on time, 0.0% cancelledAug ’25September 2025: 91.4% on time, 0.0% cancelledSep ’25October 2025: 94.2% on time, 0.0% cancelledOct ’25November 2025: 91.8% on time, 0.5% cancelledNov ’25December 2025: 87.3% on time, 3.0% cancelledDec ’25January 2026: 87.0% on time, 0.5% cancelledJan ’26February 2026: 88.4% on time, 0.0% cancelledFeb ’26March 2026: 82.9% on time, 0.9% cancelledMar ’26April 2026: 84.9% on time, 0.0% cancelledApr ’26May 2026: 92.8% on time, 0.0% cancelledMay ’26June 2026: 89.3% on time, 0.0% cancelledJun ’26July 2026: 88.2% on time, 0.5% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Airline (crew, maintenance, cleaning, fueling)69%
  • Late-arriving aircraft26%
  • Air traffic control & airport congestion4%
  • Security0%
  • Extreme weather0%

Other airlines on LAX to SLC

Full LAX to SLC comparison →
Delta Air Lines on-time record across all routes →

2,452 Delta Air Lines flights tracked on this route; 11 cancelled, 6 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.