Houston to Louisville (IAH–SDF) — Airlines, Schedules & Connections

IAH Airport Page →
788 mi airlines charter/private 42/wk
On-time Some delays Frequent delays
Flight Schedule 13 flights Verified 55m ago
Also flown by charter / private operators.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
UA3990
UA United
E7W
9:45 AM
CDT TB
1:07 PM
EDT
2h 22m
58%
M T W T F S S
Prices
UA3985
Starts Sep 24
UA United
E7W
4:32 PM
CDT TB
7:55 PM
EDT
2h 23m
58%
M T W T F S S
Prices
UA4040
UA United
E7W
4:33 PM
CDT TB
7:55 PM
EDT
2h 22m
58%
M T W T F S S
Prices
CM1681+1
CM Copa
E75L
4:35 PM
CDT TB
8:01 PM
EDT
2h 26m
M T W T F S S
Prices
CM1680cs
CM Copa
E7W
6:49 PM
CDT TB
10:15 PM
EDT
2h 26m
M T W T F S S
Prices
UA4052+1
UA United
E7W
6:50 PM
CDT TB
10:15 PM
EDT
2h 25m
58%
M T W T F S S
Prices
CM1686cs
CM Copa
E7W
6:15 AM
EDT
7:42 AM
CDT
2h 27m
M T W T F S S
Prices
NH7097cs
NH All Nippon
E7W
7:25 AM
EDT
8:50 AM
CDT
2h 25m
M T W T F S S
Prices
UA6266+3
UA United
E7W
7:25 AM
EDT
8:50 AM
CDT
2h 25m
M T W T F S S
Prices
NZ6628cs
NZ Air New Zealand
E75L
7:25 AM
EDT
8:50 AM
CDT
2h 25m
M T W T F S S
Prices
CM1687cs
CM Copa
E7W
9:30 AM
EDT
10:58 AM
CDT
2h 28m
M T W T F S S
Prices
UA6326+2
UA United
E75L
9:45 AM
EDT
11:10 AM
CDT
2h 25m
M T W T F S S
Prices
UA6310+1
UA United
E7W
3:35 PM
EDT
5:10 PM
CDT
2h 35m
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
ATL Atlanta 4h 14m AFAMDL AFAMDL Atlanta (ATL) to Louisville flights
BNA Nashville 4h 22m CMNZUA EJAWN Nashville (BNA) to Louisville flights
DFW Dallas-Fort Worth 4h 24m AAASAY AAASAY Dallas-Fort Worth (DFW) to Louisville flights
CLT Charlotte 4h 55m AAEJAF9 AA Charlotte (CLT) to Louisville flights
DTW Detroit 5h AFAMDL AFAMDL Detroit (DTW) to Louisville flights
TPA Tampa 5h 13m CMNZUA MXWN Tampa (TPA) to Louisville flights
ORD Chicago 5h 17m AAASAV AAACAS Chicago (ORD) to Louisville flights
MCO Orlando 5h 27m ADF9NZ WN Orlando (MCO) to Louisville flights
MSP Minneapolis 5h 38m AFAMDL AFAMDL Minneapolis (MSP) to Louisville flights
BWI Baltimore 5h 49m F9NZUA WN Baltimore (BWI) to Louisville flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Houston to Louisville
2 carriers, 42 flights/week nonstop.
2 Airlines 788 mi 2h 24m nonstop +1h ahead

IAH–SDF is served by 2 airlines with nonstop service. United Airlines and American Airlines lead the route. The flight covers 788 miles in approximately 2h 24m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop IAH–SDF service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines Also: CM 28 E7W 2h22-2h25 85% Star Alliance CM
AA American Airlines 0 85% Oneworld
Aircraft on this route
E75L Embraer E175 Long Wing – CM
E7W Embraer E175 – CM, UA
Alliance coverage
Star Alliance: UA (28 flights/wk, 100%)
Oneworld: AA (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, IAH to SDF direction.
Mon
6
flights
Tue
6
flights
Wed
6
flights
Thu
6
flights
Fri
6
flights
Sat
6
flights
Sun
6
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
6
Nonstop flights
42
Outbound / wk
49
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAH to SDF.
1-STOP
One-Stop Connections
27
Hubs
~4h
Fastest
~15h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,334
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
IAH → SDF
85%
Generally reliable. Most flights run on time.
Departing
85%
Arriving
100%
Return
SDF → IAH
94%
Generally reliable. Most flights run on time.
Departing
94%
Arriving
97%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAH delays → SDF delays →

Other ways to reach Louisville from Houston

Nearby airports with service to Louisville Muhammad Ali International Airport.
Metric IAH→SDF HOU→SDF AUS→SDF
Distance from IAH 24 mi 140 mi
Nonstop airlines 2 5 6
Weekly flights 42 12 1
Flight time 2h 24m 2h 10m 1h 54m
Departure OTP 85%
Airports within 200 miles of IAH with service to Louisville Muhammad Ali International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+1h
Louisville is 1 hour ahead of Houston.
IAH: CDT · SDF: EDT

When it's 6:00 PM in Houston, it's 7:00 PM in Louisville.
Distance & Flight Time
788 mi / 1,268 km
Nonstop flight time is approximately 2h 24m gate to gate.
Getting to IAH

IAH has no direct rail link to downtown Houston. The IAH Express bus runs from Houston Amtrak/Greyhound station via Park & Ride to Terminal C (60–90 min, $1.25 with METRO Q card). This is the only transit option; Houston's rail network does not reach the airport.Taxis from downtown Houston cost $50–70 and take 40–60 minutes. Ride-hails (Uber, Lyft) are typically $35–55. IAH sits 23 miles north of downtown on the North Freeway (I-45); traffic is heavy during morning and evening rush. Remote economy parking lots serve all terminals via shuttle.

IAH–SDF Quick Facts

Key statistics for the Houston to Louisville route.
Route details
Distance788 mi / 1,268 km
Flight time2h 24m
Time difference+1 hour
Airlines (nonstop)2
Weekly flights42 out / 49 return
1-stop connectionsAvailable
Origin: IAH
IATA / ICAOIAH / KIAH
TimezoneAmerica/Chicago
Passengers/yr46.7M
Elevation97 ft / 30 m
Destination: SDF
IATA / ICAOSDF / KSDF
TimezoneAmerica/New_York
Passengers/yr4.7M
Elevation501 ft / 153 m

Frequently Asked Questions

Common questions about IAH to SDF flights.
Nonstop flights from George Bush Intercontinental Airport to Louisville Muhammad Ali International Airport take about 2h 24m gate to gate. The route covers 788 miles.
2 airlines operate flights from IAH to SDF: United Airlines and American Airlines.
This route has frequent daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Hartsfield Jackson Atlanta, Nashville and Dallas Fort Worth.
On a single ticket, yes. Your bags are checked through to SDF and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
Louisville is 1 hour ahead of Houston.
Yes, return flights from SDF to IAH are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include HOU and AUS. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from IAH to SDF

George Bush Intercontinental Airport (IAH) and Louisville Muhammad Ali International Airport (SDF) are connected by nonstop service from United Airlines and American Airlines. With 42 weekly departures, this is a heavily served route.

IAH to SDF Flight Duration and Schedule

Nonstop flight time from IAH to SDF is about 2 hours 24 minutes gate to gate. The route covers a distance of 788 miles (1,268 km). There are approximately 42 weekly flights outbound and 49 return, totaling 91 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Hartsfield Jackson Atlanta, Nashville and Dallas Fort Worth. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Houston (HOU) and Austin (AUS).