STL → LASSt Louis to Las Vegas

live

Direct flights from St Louis (STL) to Las Vegas (LAS): 18 nonstop departures observed each week across 3 airlines. 67% of the last 6 operated flights arrived within 15 minutes of schedule. The median arrival is 4 minutes late. No cancellations were recorded across the 6 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 24 October 2026 at 01:22 UTC.

Today, STL → LAS

Fri 23 Oct · local times
WN4079SouthwestIn the air, 75 min late

Left STL at 14:10, 75 min after its 12:55 slot.

Landing
15:21LAS board estimate · sched 14:25
Track WN4079 →
WN4467SouthwestIn the air, 69 min late

Left STL at 15:39, 69 min after its 14:30 slot.

Landing
16:48LAS board estimate · sched 16:05
Track WN4467 →
  1. 12:55 WN4079Southwest Left 14:10 +75 LAS est. 15:21 +56In the air · sched 14:25
  2. 13:30 F93107Frontier Left 13:38 +8 LAS est. 14:52In the air · sched 15:15
  3. 14:30 WN4467Southwest Left 15:39 +69 LAS est. 16:48 +43In the air · sched 16:05
  4. 18:20 WN2523Southwest Left 18:50 +30 LAS est. 19:45In the air · sched 19:50
  5. 21:45 WN4509Southwest On scheduleT2 LAS est. 23:06sched 23:25
  6. · WN1932 Departed Landed 12:49 +4
  7. · WN2493 On schedule LAS est. 09:45sched 09:55
  8. · WN4078 On schedule LAS est. 06:42sched 07:05
  9. · WN4124 Departed Landed 09:23 −2
  10. · WN645 On schedule LAS est. 14:57 +12sched 14:45

Checked STL board 19:57 · LAS board 18:22

STL St Louis smooth · +5
LAS Las Vegas smooth · +4
2,202 km · ~3h 19m est.
dep bank 05:30–21:4518x weekly
Runs mixed · 3 airlines · 18x weekly · nonstop
67% on time

of the last 6 operated STL → LAS flights arrived within 15 minutes

Median arrival delay is +4 min. 0 of 6 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+4 minacross the last 6 operated legs
Flight time~3h 19mestimated from route distance
Weekly departures18x3 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 varies Mo Th Fr Su

Southwest AirlinesWN60% on time

Flights WN4078 05:30 Mo Tu We Th Fr · WN2513 05:35 Su · WN1145 06:25 Sa · WN3723 07:20 Tu We

Sun Country AirlinesSY

Flights SY3007 21:00 daily

History

operated legs · board outcomes
10-23F93107dep +8 → arr−23
10-23WN1932arrived+4
10-23WN2523dep +30 → arr−5
10-23WN4079dep +75 → arr+56
10-23WN4124arrived−2
10-23WN4467dep +69 → arr+43

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 +5 min smooth 🌤 scattered clouds · E 4 kt Full STL delay board →
LASLas Vegas +4 min smooth 🌤 few clouds · N 10 kt Full LAS delay board →

Weather lens

Current conditions put the pressure at STL and LAS: 44% odds of a 15+ minute delay and around +9 min expected when it bites, 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 91/100. 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 05:30 and evening departures around 17:50 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 56 flights a week between them. Compare carrier days and times in the airline list above.