Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
WN 2173 · Houston (HOU) → Las Vegas (LAS)
Sold by Southwest. Still flying: 7 of the last 56 days (Sat).
Arrives on time82%within 15 minutes, of 50 flights
Cancelled0.0%of scheduled flights
An hour or more late0%of flights that operated
When late, on average24 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Las Vegas is 2 h behind Houston).
- Leaves HOU
- 18:35
- Arrives LAS
- 19:45
- Flight time
- 3h 10m
- Days flown, last 8 weeks
- 7 of 56
Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.
How late it arrives
Share of flights that operated arriving more than this late.
Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.
Its hour at HOU
All flights leaving Houston (HOU) at 6–7 pm, wherever they’re going: 66% left within 15 minutes and 1.2% were cancelled (3,562 flights in the year). Other Southwest flights on this route →
Upcoming forecasts
This flight isn’t in our published forecasts for the next few days.