HOU → SEAHouston to Seattle

live

Direct flights from Houston (HOU) to Seattle (SEA): 6 nonstop departures observed each week across 1 airline. The median arrival is 12 minutes late. No cancellations were recorded across the 3 tracked flights. The nonstop covers 3,045 km, an estimated 4 hours 24 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and Seattle. Updated 10 September 2026 at 02:26 UTC.

HOU Houston smooth · +5
SEA Seattle smooth · +0
3,045 km · ~4h 24m est.
dep bank 09:25–15:056x weekly
Running clean · 1 airline · 6x weekly · nonstop
95 / 100

route health from live HOU and SEA delay boards

Median arrival delay is +12 min. 0 of 3 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+12 minacross the last 3 operated legs
Flight time~4h 24mestimated from route distance
Weekly departures6x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Southwest AirlinesWN

Flights WN148 varies Mo Th Fr · WN2690 09:30 Tu We · WN1591 15:05 Sa

History

operated legs · board outcomes
09-09WN2690departed+12
09-08WN2690departed+8
09-07WN148departed+65

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
HOUHouston +5 min smooth 🌤 scattered clouds · SE 5 kt Full HOU delay board →
SEASeattle +0 min smooth 🌤 mostly cloudy · N 7 kt Full SEA delay board →

Weather lens

Current conditions put the pressure at HOU and SEA: 37% odds of a 15+ minute delay and around +5 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Houston to Seattle route actually runs

Pro Flight Search records official board updates for nonstop HOU to SEA flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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 — Houston (HOU) to Seattle (SEA) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/HOU-SEA
How we measure this →

HOU to SEA questions

Is HOU–SEA running on time right now?

Smooth skies ahead. The departure side at HOU is the weaker end, route health score 95/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on HOU–SEA?

Operators schedule morning departures around 09:30 from HOU. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SEA delay card to confirm conditions when you'd arrive.

How long is the flight from HOU to SEA?

Great-circle distance is 3,045 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 245–291 min gate-to-gate on this route.

How often does HOU–SEA fly?

Southwest Airlines runs the route with about 6 flights a week (mon, tue, wed, thu, fri, sat). Since one carrier owns the route, a single disruption tends to ripple through the day.