WN431 New YorkLGA · 08:30 San AntonioSAT · 11:15
WN431 by Southwest Airlines flies from New York (LGA) to San Antonio (SAT).
Same number through LGA → HOU → SAT
scheduled from LGA
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by LGA (New York), currently flying IFR (instrument). 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 New York
ForecastFri 6 Nov, local date
- 79% chance of rain
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 Houston
ForecastThu 5 Nov, local date
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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other New York to San Antonio flights today
same route · Southwest AirlinesIf WN431 is cancelled, these are the other Southwest Airlines nonstop flights from New York to San Antonio on the same day, with scheduled departure times in LGA 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 WN431 actually runs
Pro Flight Search has tracked every published board update for WN431 across the LGA and SAT boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 4/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how WN431 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as LGA and SAT published them.
Planning around WN431? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: WN431 New York to San Antonio on-time performance, measured from the LGA and SAT airport boards.
https://proflightsearch.com/flight/WN431