The best bet has a stop: Southwest via Denver (6h 05m) reaches Las Vegas on time 82% of the time, against 71% on the nonstop.
Time of day × airport
Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).
Pick an hour to see this route’s flights leaving then.
Flights, best and worst
Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
No Southwest flight on this route ran 150+ times in the year.
All 1 Southwest flights in the current schedule
Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
| WN 4177 | DTW 13:05 | LAS 14:25 | 4h 20m | 49 | 54% | 0.0% | 44 min |
Nonstops by airline and airport
Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
| Southwest | DTW | LAS | 4h 25m | 71% | 0.0% | 337 | Flying now |
Alternatives with one stop
All connections →| SouthwestDetails → | DTW 05:30 → DEN 06:35WN 1778 | 1h 05m Denver | DEN 07:40 → LAS 08:35WN 1559 | 6h 05m | 93% | 82% |
| SouthwestDetails → | DTW 08:40 → MDW 08:55WN 1781 | 1h 15m Chicago | MDW 10:10 → LAS 12:00WN 2794 | 6h 20m | 96% | 76% |
| SouthwestDetails → | DTW 10:45 → BNA 11:20WN 1775 | 1h 05m Nashville | BNA 12:25 → LAS 14:15WN 2407 | 6h 30m | 85% | 39% |
About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON