SY4007Sun Country Airlines · STL → LAS
live · 6m ago
Route confirmed Sun Country Airlines

SY4007 St LouisSTL Las VegasLAS

SY4007 by Sun Country Airlines flies from St Louis (STL) to Las Vegas (LAS).

Right nowNext departure today Operates daily
19:00

scheduled from STL

The route today

live boards
STLSt LouisOn-time likelySTL delay board →
LASLas VegasOn-time likelyLAS delay board →
STL→LASevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
0.8%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at STL and LAS are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at St Louis

Forecast

Mon 16 Nov, local date

High13°Clikely 11°C to 15°C
Low0°Clikely −2°C to 2°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Las Vegas

Forecast

Mon 16 Nov, local date

High21°Clikely 18°C to 22°C
Low11°Clikely 10°C to 13°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other St Louis to Las Vegas flights today

same route · Sun Country Airlines
SY3007departs 21:00

If SY4007 is cancelled, this is the other Sun Country Airlines nonstop flight from St Louis to Las Vegas on the same day, with scheduled departure times in STL local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How SY4007 actually runs

Pro Flight Search has tracked every published board update for SY4007 across the STL and LAS boards: schedule changes, gate pushes and actual clocks. Combined risk score: 7.3/100. Based on airport operations, weather, and cached board history at STL and LAS.

The verdict above is that record speaking, so it reflects how SY4007 operates rather than what the timetable promises. Numbers refresh as new flights operate.

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: SY4007 St Louis to Las Vegas on-time performance, measured from the STL and LAS airport boards.

Canonical URL
https://proflightsearch.com/flight/SY4007
How we measure this →