STL → LASSt Louis to Las Vegas

live

Direct flights from St Louis (STL) to Las Vegas (LAS): 41 nonstop departures observed each week across 2 airlines. The median arrival is on schedule. No cancellations were recorded across the 8 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 13 November 2026 at 06:22 UTC.

Today, STL → LAS

Fri 13 Nov · local times
  1. · F93107Frontier On schedule LAS 15:12scheduled
  2. · WN120Southwest On schedule LAS 09:55scheduled
  3. · WN1671 On schedule LAS est. 08:25 +5sched 08:20
  4. · WN4155Southwest On schedule LAS 14:35scheduled
  5. · WN4156Southwest On schedule LAS 07:20scheduled
  6. · WN4364 On schedule LAS 16:20scheduled
  7. · WN742Southwest On schedule LAS 23:30scheduled
  8. · WN879Southwest On schedule LAS est. 17:40 +5sched 17:35

Checked STL board 22:18 · LAS board 22:22

STL St Louis smooth · +12
LAS Las Vegas smooth · +0
2,202 km · ~3h 19m est.
dep bank 05:40–21:5541x weekly
Running clean · 2 airlines · 41x weekly · nonstop
92 / 100

route health from live STL and LAS delay boards

Median arrival delay is +2 min. 0 of 8 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+2 minacross the last 3 arrivals
Flight time~3h 19mestimated from route distance
Weekly departures41x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Frontier AirlinesSouthwest 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 13:28 Mo Th Fr Su

Southwest AirlinesWN

Flights WN4156 varies daily · WN143 06:25 Tu We · WN1671 08:20 Mo Th Fr Su · WN120 08:25 Mo Th Fr Su

History

operated legs · board outcomes
11-12F93107departed+10
11-12WN120departed+18
11-12WN1671arrived+5
11-12WN4155departed+15
11-12WN4156dep +36 → arr+2
11-12WN4259departed+24
11-12WN742departed+12
11-12WN879dep +30 → arr−3

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 +12 min smooth 🌤 clear · NNW 6 kt Full STL delay board →
LASLas Vegas +0 min smooth 🌤 mostly cloudy · SSW 3 kt Full LAS delay board →

Weather lens

Conditions are tightest at STL and LAS: a 39% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +6 min. Both figures come from the two airports' delay records in similar weather. 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 92/100. 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 06:25 and evening departures around 20:20 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?

2 carriers operate this route, around 41 flights a week between them. Compare carrier days and times in the airline list above.