SDF → HOULouisville to Houston

live

Direct flights from Louisville (SDF) to Houston (HOU): 7 nonstop departures observed each week across 1 airline. The median arrival is on schedule. No cancellations were recorded across the 4 tracked flights. The nonstop covers 1,293 km, an estimated 2 hours 9 minutes in the air. Measured by Pro Flight Search from live flight boards at Louisville and Houston. Updated 23 October 2026 at 12:06 UTC.

Today, SDF → HOU

Fri 23 Oct · local times
  1. · WN3618Southwest On schedule HOU 16:50scheduled

Checked SDF board 06:03 · HOU board 07:06

SDF Louisville smooth · +13
HOU Houston smooth · +0
1,293 km · ~2h 09m est.
dep bank 09:25–16:357x weekly
Running clean · 1 airline · 7x weekly · nonstop
91 / 100

route health from live SDF and HOU delay boards

Median arrival delay is −1 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−1 minacross the last 4 operated legs
Flight time~2h 09mestimated from route distance
Weekly departures7x1 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 WN7 09:25 Su · WN558 11:55 Sa · WN717 12:50 Tu We · WN3618 15:30 Mo Th Fr

History

operated legs · board outcomes
10-22WN3618dep +27 → arr+1
10-21WN717dep +6 → arr−15
10-20WN717dep +18 → arr−1
10-19WN3618arrived−12

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
SDFLouisville +13 min smooth 🌤 clear · N 3 kt Full SDF delay board →
HOUHouston +0 min smooth 🌤 clear · NNE 3 kt Full HOU delay board →

Weather lens

Current conditions put the pressure at SDF and HOU: 41% odds of a 15+ minute delay and around +7 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Louisville to Houston route actually runs

Pro Flight Search records official board updates for nonstop SDF to HOU 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 — Louisville (SDF) to Houston (HOU) route reliability, measured from operated flights on official airport boards.

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

SDF to HOU questions

Is SDF–HOU running on time right now?

Smooth skies ahead. The departure side at SDF is the weaker end, route health score 91/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SDF–HOU?

Operators schedule morning departures around 11:55 from SDF. Earlier flights typically land before destination-airport delays accumulate later in the day; check the HOU delay card to confirm conditions when you'd arrive.

How long is the flight from SDF to HOU?

Great-circle distance is 1,293 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 121–141 min gate-to-gate on this route.

How often does SDF–HOU fly?

Southwest Airlines runs the route with about 8 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.