WN3856 New YorkLGA · 10:55 HoustonHOU · 13:40
WN3856 by Southwest Airlines flies from New York (LGA) to Houston (HOU).
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
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at LGA and HOU are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other New York to Houston flights today
same route · Southwest AirlinesIf WN3856 is cancelled, these are the other Southwest Airlines nonstop flights from New York to Houston on the same day, with scheduled departure times in LGA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN3856 actually runs
Pro Flight Search has tracked every published board update for WN3856 across the LGA and HOU boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed +84 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN3856 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 HOU published them.
Planning around WN3856? 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 — WN3856 New York to Houston on-time performance, measured from the LGA and HOU airport boards.
https://proflightsearch.com/flight/WN3856
.