WN18 HoustonHOU · 10:35 ValparaisoVPS · 11:45
WN18 by Southwest Airlines flies from Houston (HOU) to Valparaiso (VPS).
Same number through HOU → DAL → VPS
scheduled from HOU
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at HOU and VPS 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 on this route
ForecastHouston to Dallas with Southwest Airlines · Sat 31 Oct, local date
- Chance a departure leaves 60+ min late
- 7.3%1.3× usual
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 11 departures a day on this route with this airline. · 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 Houston to Valparaiso flights today
same route · Southwest AirlinesIf WN18 is cancelled, these are the other Southwest Airlines nonstop flights from Houston to Valparaiso on the same day, with scheduled departure times in HOU 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 WN18 actually runs
Pro Flight Search has tracked every published board update for WN18 across the HOU and VPS boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed +0 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN18 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N7750A, N7744A.
Board clocks recorded as HOU and VPS published them.
Planning around WN18? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: WN18 Houston to Valparaiso on-time performance, measured from the HOU and VPS airport boards.
https://proflightsearch.com/flight/WN18
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