STL → LASSt Louis to Las Vegas

live

Direct flights from St Louis (STL) to Las Vegas (LAS): 21 nonstop departures observed each week across 3 airlines. The median arrival is on schedule. No cancellations were recorded across the 3 tracked flights. The nonstop covers 2,202 km, an estimated 3 hours 19 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Las Vegas. Updated 22 September 2026 at 22:08 UTC.

STL St Louis smooth · +4
LAS Las Vegas smooth · +0
2,202 km · ~3h 19m est.
dep bank 05:55–21:0021x weekly
Running clean · 3 airlines · 21x weekly · nonstop
96 / 100

route health from live STL and LAS delay boards

Median arrival delay is +2 min. 0 of 3 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+2 minacross the last 3 operated legs
Flight time~3h 19mestimated from route distance
Weekly departures21x3 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Frontier AirlinesSouthwest AirlinesSun Country Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Frontier AirlinesF9

Flights F93107 12:17 daily

Southwest AirlinesWN

Flights WN3845 varies daily · WN1003 08:25 Mo Th Fr Su · WN3063 11:15 Sa · WN667 12:05 Sa

Sun Country AirlinesSY

Flights SY4007 varies Tu We · SY3007 21:00 daily

History

operated legs · board outcomes
09-22F93107dep +17 → arr+5
09-22WN3846dep +12 → arr−4
09-22WN3847dep +14 → arr+2

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
STLSt Louis +4 min smooth Full STL delay board →
LASLas Vegas +0 min smooth Full LAS delay board →

Weather lens

Current conditions put the pressure at STL and LAS: 43% odds of a 15+ minute delay, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the St Louis to Las Vegas route actually runs

Pro Flight Search records official board updates for nonstop STL to LAS flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — St Louis (STL) to Las Vegas (LAS) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/STL-LAS
How we measure this →

STL to LAS questions

Is STL–LAS running on time right now?

Smooth skies ahead. The departure side at STL is the weaker end, route health score 96/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on STL–LAS?

Operators schedule morning departures around 08:25 and evening departures around 17:25 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the LAS delay card to confirm conditions when you'd arrive.

How long is the flight from STL to LAS?

Great-circle distance is 2,202 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 185–219 min gate-to-gate on this route.

How often does STL–LAS fly?

3 carriers operate this route, around 54 flights a week between them. Compare carrier days and times in the airline list above.