WN2858Southwest Airlines · STL → SAT
live · 2m ago
Route confirmed Southwest Airlines

WN2858 St LouisSTL · 21:45 San AntonioSAT · 18:55

WN2858 by Southwest Airlines flies from St Louis (STL) to San Antonio (SAT).

Right nowNext departure today Operates daily
21:55

scheduled from STL

The route today

live boards
STLSt LouisOn-time likelySTL delay board →
SATSan AntonioHigh riskSAT delay board →
STL→SATevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
36%Chance of 15+ min delay
0.7%Chance of cancellation
+7 minTypical airport delay in this weather

Conditions at STL and SAT 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 STL

Forecast

Wed 11 Nov, local date

High20°Clikely 19°C to 22°C
Low8°Clikely 7°C to 10°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 San Antonio

Forecast

Wed 11 Nov, local date

High24°Clikely 22°C to 25°C
Low15°Clikely 13°C to 16°C
  • 33% chance of fog

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 San Antonio flights today

same route · Southwest Airlines
WN2344departs 05:10
WN4198departs 08:20
WN4793departs 21:50

If WN2858 is cancelled, these are the other Southwest Airlines nonstop flights from St Louis to San Antonio 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 WN2858 actually runs

Pro Flight Search has tracked every published board update for WN2858 across the STL and SAT boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: departed +43 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN2858 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-30STL 21:45 23:16 (+91)SAT
10-29STL 21:45 22:19 (+34)SAT 18:55

Aircraft

Recent tails: N8911Q, N8900L.

Board clocks recorded as STL and SAT published them.

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: WN2858 St Louis to San Antonio on-time performance, measured from the STL and SAT airport boards.

Canonical URL
https://proflightsearch.com/flight/WN2858
How we measure this →