WN148Southwest Airlines · HOU → SEA
live · 4m ago
Route confirmed Southwest Airlines

WN148 HoustonHOU · 09:30 SeattleSEA · 12:15

WN148 by Southwest Airlines flies from Houston (HOU) to Seattle (SEA).

Right nowNext departure tomorrow Operates daily
13:55

scheduled from HOU

Typical gate push+65 minmedian posted departure

Where the minutes go

last 3 operations · gate push → arrival
0+30+60+90 min
09-08
+65 gate
09-07
+65 gate
09-04
−1 gate

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
HOUHoustonOn-time likelyHOU delay board →
SEASeattleOn-time likelySEA delay board →
HOU→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
37%Chance of 15+ min delay
0.8%Chance of cancellation

Conditions at HOU and SEA 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Houston to Seattle flights today

same route · Southwest Airlines
WN242departs 09:30
WN2690departs 09:30
WN3730departs 11:40
WN1591departs 15:05

If WN148 is cancelled, these are the other Southwest Airlines nonstop flights from Houston to Seattle on the same day, with scheduled departure times in HOU local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN148 actually runs

Pro Flight Search has tracked every published board update for WN148 across the HOU and SEA boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: departed +65 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN148 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-08HOU 09:30 10:35 (+65)SEA 12:15
09-07HOU 09:30 10:35 (+65)SEA 12:15
09-04HOU 09:25 09:24 (−1)SEA 12:10

Board clocks recorded as HOU and SEA published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — WN148 Houston to Seattle on-time performance, measured from the HOU and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/WN148
How we measure this →