Flight history · Aug 2025 – Jul 2026 · US DOT on-time records

F9 2017 · St Louis (STL) → Las Vegas (LAS)

Sold by Frontier. Still flying: 36 of the last 56 days (Mon, Tue, Wed, Thu, Fri, Sun).

Arrives on time76%within 15 minutes, of 177 flights
Cancelled1.1%of scheduled flights
An hour or more late11%of flights that operated
When late, on average146 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 St Louis).

Leaves STL
19:10
Arrives LAS
20:43
Flight time
3h 33m
Days flown, last 8 weeks
36 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.

15+ min late24%
30+ min late20%
1h+ late11%
2h+ late6%
10%20%30%40% 015301h1h302h3h

Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.

Its hour at STL

All flights leaving St Louis (STL) at 7–8 pm, wherever they’re going: 59% left within 15 minutes and 1.6% were cancelled (3,894 flights in the year). Other Frontier flights on this route →

Upcoming forecasts

Our odds that this flight is late or cancelled on the days we publish.