Southwest Airlines LAS to ATL on-time performance
Southwest Airlines nonstop flights from Las Vegas to Atlanta · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
0.6%
4 flights
Avg arrival delay
8 min
39 min when late
Rank on route
#3 of 4
route average 85% on time
Key facts
- Southwest Airlines flights on LAS to ATL arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 3% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 85% on time overall.
- The largest source of delay minutes was late-arriving aircraft (42%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft42%
- Airline (crew, maintenance, cleaning, fueling)38%
- Air traffic control & airport congestion20%
- Extreme weather0%
- Security0%
Other airlines on LAS to ATL
- Delta Air Lines87% on time · 12 min avg delay
- Frontier Airlines75% on time · 20 min avg delay
- Spirit Airlines86% on time · 11 min avg delay
Full LAS to ATL comparison →
Southwest Airlines on-time record across all routes →
720 Southwest Airlines flights tracked on this route; 4 cancelled, 3 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.