Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
WN 577 · Las Vegas (LAS) → Phoenix (PHX)
Sold by Southwest. Still flying: 12 of the last 56 days (Mon, Thu, Fri).
Arrives on time29%within 15 minutes, of 14 flights
Cancelled0.0%of scheduled flights
An hour or more late14%of flights that operated
When late, on average42 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves LAS
- 16:55
- Arrives PHX
- 18:10
- Flight time
- 1h 15m
- Days flown, last 8 weeks
- 12 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 LAS
All flights leaving Las Vegas (LAS) at 4–5 pm, wherever they’re going: 64% left within 15 minutes and 0.9% were cancelled (8,872 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.