WN129Southwest Airlines · BWI → STL
updated 3h ago
Route confirmed Southwest Airlines

WN129 BaltimoreBWI St LouisSTL

WN129 by Southwest Airlines flies from Baltimore (BWI) to St Louis (STL).

Right nowNext departure tomorrow Operates daily
10:10

scheduled from BWI

The route today

live boards
BWIBaltimoreModerate riskBWI delay board →
STLSt LouisOn-time likelySTL delay board →
BWI→STLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
40%Chance of 15+ min delay
0.3%Chance of cancellation
+10 minTypical airport delay in this weather

Driven mainly by STL (St Louis), currently flying MVFR (marginal visual). 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 Baltimore

Forecast

Sat 7 Nov, local date

High15°Clikely 14°C to 17°C
Low7°Clikely 5°C to 9°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 STL

Forecast

Sat 7 Nov, local date

High11°Clikely 9°C to 12°C
Low2°Clikely 0°C to 3°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 Baltimore to St Louis flights today

same route · Southwest Airlines
WN1169departs 06:30
WN724departs 07:50
WN3589departs 09:15
WN1895departs 10:20
WN725departs 10:20
WN2730departs 13:20

If WN129 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to St Louis on the same day, with scheduled departure times in BWI 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 WN129 actually runs

Pro Flight Search has tracked every published board update for WN129 across the BWI and STL boards: schedule changes, gate pushes and actual clocks. Combined risk score: 38.0/100. Based on airport operations, weather, and cached board history at BWI and STL.

The verdict above is that record speaking, so it reflects how WN129 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around WN129? 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: WN129 Baltimore to St Louis on-time performance, measured from the BWI and STL airport boards.

Canonical URL
https://proflightsearch.com/flight/WN129
How we measure this →