Southwest Airlines LAS to DAL on-time performance
Southwest Airlines nonstop flights from Las Vegas to Dallas · Aug 2025 – Jul 2026
On-time arrivals
71%
arrived < 15 min late
Cancelled
1.5%
44 flights
Avg arrival delay
16 min
50 min when late
Rank on route
#1 of 1
route average 71% on time
Key facts
- Southwest Airlines flights on LAS to DAL arrived on time 71% of the time in Aug 2025 – Jul 2026.
- 1.5% were cancelled, and 8% arrived an hour or more late.
- That ranks #1 of 1 airlines on this route, which averaged 71% on time overall.
- The largest source of delay minutes was late-arriving aircraft (45%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft45%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion18%
- Extreme weather3%
- Security0%
Other airlines on LAS to DAL
2,842 Southwest Airlines flights tracked on this route; 44 cancelled, 14 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.