Dulles to Louisville (IAD–SDF) — Airlines, Schedules & Connections

IAD Airport Page →
450 mi airlines charter/private 50/wk
On-time Some delays Frequent delays
Flight Schedule 15 flights Verified 5m 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
UA3526+1
UA United
E7W
8:31 AM
EDT
10:23 AM
EDT
1h 52m
43%
M T W T F S S
Prices
CM2667cs
CM Copa
E75L
8:31 AM
EDT
10:23 AM
EDT
1h 52m
38%
M T W T F S S
Prices
UA3980
UA United
E75L
12:48 PM
EDT
2:37 PM
EDT
1h 49m
43%
M T W T F S S
Prices
UA3528
UA United
12:55 PM
EDT
2:31 PM
EDT
1h 36m
43%
M T W T F S S
Prices
UA3538
UA United
E7W
5:25 PM
EDT
7:18 PM
EDT
1h 53m
43%
M T W T F S S
Prices
CM2666cs
CM Copa
E7W
5:25 PM
EDT
7:18 PM
EDT
1h 53m
38%
M T W T F S S
Prices
AC4405+1
AC Air Canada
E7W
5:45 PM
EDT
7:42 PM
EDT
1h 57m
46%
M T W T F S S
Prices
UA3518+1
UA United
E7W
9:00 PM
EDT
10:53 PM
EDT
1h 53m
43%
M T W T F S S
Prices
AC4406cs
AC Air Canada
E7W
6:00 AM
EDT
7:35 AM
EDT
1h 35m
M T W T F S S
Prices
UA3438+1
UA United
E7W
6:00 AM
EDT
7:35 AM
EDT
1h 35m
M T W T F S S
Prices
UA3508+1
UA United
E75L
10:00 AM
EDT
11:40 AM
EDT
1h 40m
M T W T F S S
Prices
CM2673cs
CM Copa
E75L
10:00 AM
EDT
11:40 AM
EDT
1h 40m
M T W T F S S
Prices
UA3717
UA United
E7W
10:05 AM
EDT
11:45 AM
EDT
1h 40m
M T W T F S S
Prices
CM2674cs
CM Copa
E75L
1:48 PM
EDT
3:32 PM
EDT
1h 44m
M T W T F S S
Prices
UA4067+2
UA United
E7W
1:48 PM
EDT
3:32 PM
EDT
1h 44m
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
PIT Pittsburgh 3h 34m AVCMET LXJMX Pittsburgh (PIT) to Louisville flights
DTW Detroit 3h 51m AFAMAV AFAMDL Detroit (DTW) to Louisville flights
ATL Atlanta 4h 5m AFAMCM AFAMDL Atlanta (ATL) to Louisville flights
CLT Charlotte 4h 20m AAACAT AA Charlotte (CLT) to Louisville flights
BNA Nashville 4h 30m AVAZCM WN Nashville (BNA) to Louisville flights
ORD Chicago 4h 35m ACAVAZ AAACAS Chicago (ORD) to Louisville flights
LGA New York 4h 48m AAAVUA AADLWS New York (LGA) to Louisville flights
EWR Newark 4h 53m AVAZET ACEJAUA Newark (EWR) to Louisville flights
PHL Philadelphia 4h 56m ACAVCM AA Philadelphia (PHL) to Louisville flights
TPA Tampa 5h 28m AVAZCM WN Tampa (TPA) to Louisville flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Dulles to Louisville
1 carrier, 50 flights/week nonstop.
1 Airlines 450 mi 1h 53m nonstop

IAD–SDF is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 450 miles in approximately 1h 53m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop IAD–SDF service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines Also: AC, CM 29 E75L, E7W 1h36-1h53 63% Star Alliance AC, CM
Aircraft on this route
E75L Embraer E175 Long Wing – CM, UA
E7W Embraer E175 – AC, CM, UA
Alliance coverage
Star Alliance: UA (29 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, IAD to SDF direction.
Mon
7
flights
Tue
7
flights
Wed
7
flights
Thu
7
flights
Fri
7
flights
Sat
7
flights
Sun
8
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
8
Nonstop flights
50
Outbound / wk
49
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAD to SDF.
1-STOP
One-Stop Connections
48
Hubs
~3h
Fastest
~27h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,353
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
IAD → SDF
63%
Moderate delays possible. Allow buffer time.
Departing
63%
Arriving
68%
Return
SDF → IAD
82%
Generally reliable. Most flights run on time.
Departing
82%
Arriving
82%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays → SDF delays →

Other ways to reach Louisville from Dulles

Nearby airports with service to Louisville Muhammad Ali International Airport.
Metric IAD→SDF DCA→SDF BWI→SDF
Distance from IAD 23 mi 45 mi
Nonstop airlines 1 4 4
Weekly flights 50 32 21
Flight time 1h 53m 1h 52m 1h 45m
Departure OTP 63%
Airports within 200 miles of IAD with service to Louisville Muhammad Ali International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
Louisville is 0 hours the same as Dulles.
IAD: EDT · SDF: EDT

When it's 6:00 PM in Dulles, it's 6:00 PM in Louisville.
Distance & Flight Time
450 mi / 725 km
Nonstop flight time is approximately 1h 53m gate to gate.
Getting to IAD

WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).

IAD–SDF Quick Facts

Key statistics for the Dulles to Louisville route.
Route details
Distance450 mi / 725 km
Flight time1h 53m
Time difference0 hours
Airlines (nonstop)1
Weekly flights50 out / 49 return
1-stop connectionsAvailable
Origin: IAD
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: SDF
IATA / ICAOSDF / KSDF
TimezoneAmerica/New_York
Passengers/yr4.7M
Elevation501 ft / 153 m

Frequently Asked Questions

Common questions about IAD to SDF flights.
Nonstop flights from Washington Dulles International Airport to Louisville Muhammad Ali International Airport take about 1h 53m gate to gate. The route covers 450 miles.
1 airline operates flights from IAD to SDF: United 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 Pittsburgh, Detroit Metropolitan Wayne County and Hartsfield Jackson Atlanta.
Yes, return flights from SDF to IAD are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include DCA, BWI and MDT. 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 IAD to SDF

Washington Dulles International Airport (IAD) and Louisville Muhammad Ali International Airport (SDF) are connected by nonstop service from United Airlines. With 50 weekly departures, this is a heavily served route.

IAD to SDF Flight Duration and Schedule

Nonstop flight time from IAD to SDF is about 1 hours 53 minutes gate to gate. The route covers a distance of 450 miles (725 km). There are approximately 50 weekly flights outbound and 49 return, totaling 99 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Pittsburgh, Detroit Metropolitan Wayne County and Hartsfield Jackson Atlanta. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Washington (DCA), Baltimore (BWI) and Harrisburg (MDT).