WN4315 HoustonHOU · 18:40 Fort LauderdaleFLL · 22:05
WN4315 by Southwest Airlines flies from Houston (HOU) to Fort Lauderdale (FLL).
scheduled from HOU
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 HOU and FLL 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 Fort Lauderdale with Southwest Airlines · Tue 3 Nov, local date
- Chance a departure leaves 60+ min late
- 20%2.6× usual
Forecast weather: 33% chance of thunder and 79% chance of rain at Houston; 42% chance of thunder and 92% chance of rain at Fort Lauderdale
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 2 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 Fort Lauderdale flights today
same route · Southwest AirlinesIf WN4315 is cancelled, these are the other Southwest Airlines nonstop flights from Houston to Fort Lauderdale 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 WN4315 actually runs
Pro Flight Search has tracked every published board update for WN4315 across the HOU and FLL boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 3 completed legs so far: landed +12 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4315 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: N8551Q, N8966S, N8921Q.
Board clocks recorded as HOU and FLL published them.
Planning around WN4315? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: WN4315 Houston to Fort Lauderdale on-time performance, measured from the HOU and FLL airport boards.
https://proflightsearch.com/flight/WN4315
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