OnTimeRoutes
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Southwest Airlines LAS to AUS on-time performance

Southwest Airlines nonstop flights from Las Vegas to Austin · Aug 2025 – Jul 2026

On-time arrivals
73%
arrived < 15 min late
Cancelled
0.3%
7 flights
Avg arrival delay
15 min
49 min when late
Rank on route
#3 of 5
route average 74% on time

Key facts

  • Southwest Airlines flights on LAS to AUS arrived on time 73% of the time in Aug 2025 – Jul 2026.
  • 0.3% were cancelled, and 7% arrived an hour or more late.
  • That ranks #3 of 5 airlines on this route, which averaged 74% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (47%).

On-time trend by month

50%75%100%July 2025: 64.4% on time, 0.0% cancelledJul ’25August 2025: 82.4% on time, 0.0% cancelledAug ’25September 2025: 79.5% on time, 0.6% cancelledSep ’25October 2025: 73.0% on time, 0.0% cancelledOct ’25November 2025: 73.0% on time, 0.0% cancelledNov ’25December 2025: 84.4% on time, 0.0% cancelledDec ’25January 2026: 78.6% on time, 1.2% cancelledJan ’26February 2026: 73.0% on time, 0.0% cancelledFeb ’26March 2026: 70.1% on time, 0.0% cancelledMar ’26April 2026: 75.1% on time, 0.0% cancelledApr ’26May 2026: 65.1% on time, 0.5% cancelledMay ’26June 2026: 63.3% on time, 0.5% cancelledJun ’26July 2026: 64.9% on time, 1.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft47%
  • Airline (crew, maintenance, cleaning, fueling)35%
  • Air traffic control & airport congestion16%
  • Extreme weather2%
  • Security0%

Other airlines on LAS to AUS

Full LAS to AUS comparison →
Southwest Airlines on-time record across all routes →

2,194 Southwest Airlines flights tracked on this route; 7 cancelled, 4 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.