Southwest Airlines LAS to MCI on-time performance
Southwest Airlines nonstop flights from Las Vegas to Kansas City · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
0.3%
5 flights
Avg arrival delay
13 min
46 min when late
Rank on route
#4 of 4
route average 76% on time
Key facts
- Southwest Airlines flights on LAS to MCI arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 6% arrived an hour or more late.
- That ranks #4 of 4 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was late-arriving aircraft (51%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft51%
- Airline (crew, maintenance, cleaning, fueling)39%
- Air traffic control & airport congestion9%
- Extreme weather1%
- Security0%
Other airlines on LAS to MCI
- Spirit Airlines86% on time · 10 min avg delay
- Frontier Airlines81% on time · 13 min avg delay
- American Airlines100% on time · 7 min avg delay
Full LAS to MCI comparison →
Southwest Airlines on-time record across all routes →
1,731 Southwest Airlines flights tracked on this route; 5 cancelled, 11 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.