WN1203 San JoséSJO HoustonHOU · 18:20
WN1203 by Southwest Airlines flies from San José (SJO) to Houston (HOU) for the Sun, Oct 25 departure.
arrival expected at HOU · 7 min late
board checked 13m ago · checking again in 45s
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How WN1203 actually runs
Pro Flight Search has tracked every published board update for WN1203 across the SJO and HOU boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed +51 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN1203 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 SJO and HOU published them.
Planning around WN1203? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN1203 San José to Houston on-time performance, measured from the SJO and HOU airport boards.
https://proflightsearch.com/flight/WN1203
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