OnTimeRoutes
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United Airlines LAX to LAS on-time performance

United Airlines nonstop flights from Los Angeles to Las Vegas · Aug 2025 – Jul 2026

On-time arrivals
84%
arrived < 15 min late
Cancelled
0.5%
8 flights
Avg arrival delay
10 min
57 min when late
Rank on route
#3 of 8
route average 77% on time

Key facts

  • United Airlines flights on LAX to LAS arrived on time 84% of the time in Aug 2025 – Jul 2026.
  • 0.5% were cancelled, and 5% arrived an hour or more late.
  • That ranks #3 of 8 airlines on this route, which averaged 77% on time overall.
  • The largest source of delay minutes was air traffic control & airport congestion (40%).

On-time trend by month

60%80%100%July 2025: 81.5% on time, 0.0% cancelledJul ’25August 2025: 81.1% on time, 0.0% cancelledAug ’25September 2025: 81.7% on time, 0.9% cancelledSep ’25October 2025: 89.3% on time, 0.0% cancelledOct ’25November 2025: 85.8% on time, 4.1% cancelledNov ’25December 2025: 82.4% on time, 0.0% cancelledDec ’25January 2026: 80.7% on time, 0.0% cancelledJan ’26February 2026: 84.5% on time, 0.0% cancelledFeb ’26March 2026: 86.3% on time, 0.7% cancelledMar ’26April 2026: 87.1% on time, 0.0% cancelledApr ’26May 2026: 82.4% on time, 0.0% cancelledMay ’26June 2026: 77.9% on time, 0.0% cancelledJun ’26July 2026: 86.9% on time, 0.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Air traffic control & airport congestion40%
  • Late-arriving aircraft36%
  • Airline (crew, maintenance, cleaning, fueling)23%
  • Extreme weather1%
  • Security0%

Other airlines on LAX to LAS

Full LAX to LAS comparison →
United Airlines on-time record across all routes →

1,570 United Airlines flights tracked on this route; 8 cancelled, 0 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.