Louisville to Houston (SDF-IAH): nonstop flights and who flies them

United Airlines flies nonstop between Louisville (SDF) and Houston (IAH), roughly 21 times a week. With United Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. United Airlines fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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21
Nonstop flights a week
788 mi
Nonstop distance
Free
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Louisville to Houston flight schedule

Scheduled nonstop departures for SDF to IAH, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Louisville (SDF) to Houston (IAH)
Date Flight Airline Departs SDF Arrives IAH Duration Aircraft
UA 6266United Airlines07:2508:502h 25mE7W
UA 6326United Airlines09:4511:102h 25mE7W
UA 6310United Airlines15:3517:102h 35mE7W
UA 6266United Airlines07:2508:502h 25mE7W
UA 6326United Airlines09:4511:102h 25mE7W
UA 6310United Airlines15:3517:102h 35mE7W
UA 6266United Airlines07:2508:502h 25mE7W
UA 6326United Airlines09:4511:102h 25mE7W
UA 6310United Airlines15:3517:102h 35mE7W
UA 6266United Airlines07:2508:502h 25mE7W
UA 6326United Airlines09:4511:102h 25mE7W
UA 6310United Airlines15:3517:102h 35mE7W
UA 6266United Airlines07:2508:502h 25mE7W
UA 6326United Airlines09:4511:102h 25mE7W
UA 6310United Airlines15:3517:102h 35mE7W
UA 6266United Airlines07:2508:502h 25mE7W
UA 6326United Airlines09:4511:102h 25mE7W
UA 6310United Airlines15:3517:102h 35mE7W
UA 6266United Airlines07:2508:502h 25mE7W
UA 6326United Airlines09:4511:102h 25mE7W
UA 6310United Airlines15:3517:102h 35mE7W

Showing all 21 scheduled SDF to IAH departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every SDF to IAH date on the interactive map

The full SDF to IAH nonstop schedule

United Airlines fly the route nonstop in 2LNR's schedule data. This page carries the full SDF to IAH nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See real availability

Confirmed upgrade and award seats on each SDF to IAH departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See SDF to IAH on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Louisville to Houston nonstop

Carriers operating SDF to IAH nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See SDF to IAH on the interactive map →

Frequently asked questions about SDF to IAH

How far is Houston from Louisville?
SDF to IAH covers about 788 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from SDF to IAH?
United Airlines is currently the only airline flying SDF to IAH nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the SDF to IAH schedule rather than a space claim.
How many flights a week are there from SDF to IAH?
About 21 nonstop flights a week run between Louisville and Houston in the current schedule, operated by United Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from SDF to IAH depart?
Scheduled SDF to IAH nonstops in the next 7 days with service leave between 07:25 and 15:35, local time at Louisville. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Does 2LNR show upgrade or award space on SDF to IAH?
Not on this route: none of United Airlines is a carrier 2LNR reads inventory for. The page carries the full SDF to IAH nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full SDF to IAH nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

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