Southwest Airlines LAS to DTW on-time performance
Southwest Airlines nonstop flights from Las Vegas to Detroit · Aug 2025 – Jul 2026
On-time arrivals
64%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
17 min
42 min when late
Rank on route
#4 of 4
route average 81% on time
Key facts
- Southwest Airlines flights on LAS to DTW arrived on time 64% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 6% arrived an hour or more late.
- That ranks #4 of 4 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (43%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)43%
- Late-arriving aircraft40%
- Air traffic control & airport congestion17%
- Extreme weather0%
- Security0%
Other airlines on LAS to DTW
- Delta Air Lines85% on time · 12 min avg delay
- Spirit Airlines82% on time · 18 min avg delay
- Frontier Airlines70% on time · 20 min avg delay
Full LAS to DTW comparison →
Southwest Airlines on-time record across all routes →
337 Southwest Airlines flights tracked on this route; 0 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.