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

IAD Airport Page →
450 mi airlines charter/private 43/wk
On-time Some delays Frequent delays
Flight Schedule 16 flights Verified 42m ago
Also flown by charter / private operators: NetJets Aviation.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
CM2667+1
CM Copa
E7W
8:31 AM
EDT
10:23 AM
EDT
1h 52m
58%
M T W T F S S
Prices
UA3525
UA United
E7W
8:35 AM
EDT
10:18 AM
EDT
1h 43m
52%
M T W T F S S
Prices
UA3980
UA United
E7W
12:50 PM
EDT
2:37 PM
EDT
1h 47m
52%
M T W T F S S
Prices
CM2666+3
CM Copa
E75L
5:25 PM
EDT
7:18 PM
EDT
1h 53m
58%
M T W T F S S
Prices
UA6127
Starts Sep 24
UA United
E7W
5:34 PM
EDT
7:24 PM
EDT
1h 50m
52%
M T W T F S S
Prices
UA3570
UA United
E7W
6:25 PM
EDT
8:09 PM
EDT
1h 44m
52%
M T W T F S S
Prices
UA6234
Starts Sep 23
UA United
E7W
10:10 PM
EDT
11:59 PM
EDT
1h 49m
52%
M T W T F S S
Prices
UA3588
Starts Sep 24
UA United
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
AC4406cs
AC Air Canada
E7W
6:00 AM
EDT
7:35 AM
EDT
1h 35m
M T W T F S S
Prices
UA6305
Starts Sep 25
UA United
E7W
6:00 AM
EDT
7:35 AM
EDT
1h 35m
M T W T F S S
Prices
UA4059
Starts Sep 26
UA United
E7W
10:00 AM
EDT
11:42 AM
EDT
1h 42m
M T W T F S S
Prices
CM2673cs
CM Copa
E7W
10:05 AM
EDT
11:45 AM
EDT
1h 40m
M T W T F S S
Prices
UA3508+1
UA United
E7W
10:05 AM
EDT
11:47 AM
EDT
1h 42m
M T W T F S S
Prices
CM2674cs
CM Copa
E7W
1:48 PM
EDT
3:32 PM
EDT
1h 44m
M T W T F S S
Prices
UA4067+1
UA United
E7W
1:56 PM
EDT
3:34 PM
EDT
1h 38m
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
CLT Charlotte 3h 41m AAACAT AA Charlotte (CLT) to Louisville flights
BNA Nashville 3h 47m AVAZCM EJAWN Nashville (BNA) to Louisville flights
DTW Detroit 3h 48m AFAMAV AFAMDL Detroit (DTW) to Louisville flights
ATL Atlanta 3h 57m AFAMCM AFAMDL Atlanta (ATL) to Louisville flights
EWR Newark 4h 37m AVAZEJA ACUA Newark (EWR) to Louisville flights
ORD Chicago 4h 39m ACAVAZ AAACAS Chicago (ORD) to Louisville flights
LGA New York 4h 42m AVDLUA DLWS New York (LGA) to Louisville flights
PHL Philadelphia 5h 13m ACAVCM 5XAAEI Philadelphia (PHL) to Louisville flights
MCO Orlando 5h 20m ADAVAZ WN Orlando (MCO) to Louisville flights
BOS Boston 5h 24m AVAZCM AABADL Boston (BOS) to Louisville flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Dulles to Louisville
1 carrier, 43 flights/week nonstop.
1 Airlines 450 mi 1h 48m nonstop

IAD–SDF is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 450 miles in approximately 1h 48m. 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 28 E7W 1h43-1h50 67% Star Alliance AC, CM
Aircraft on this route
E75L Embraer E175 Long Wing – CM
E7W Embraer E175 – CM, UA
Alliance coverage
Star Alliance: UA (28 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
6
flights
Tue
6
flights
Wed
7
flights
Thu
6
flights
Fri
6
flights
Sat
5
flights
Sun
6
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
7
Nonstop flights
43
Outbound / wk
54
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAD to SDF.
1-STOP
One-Stop Connections
26
Hubs
~3h
Fastest
~17h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,113
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
67%
Moderate delays possible. Allow buffer time.
Departing
67%
Arriving
86%
Return
SDF → IAD
40%
Frequent delays expected. Consider flexible booking.
Departing
40%
Arriving
80%
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 5
Weekly flights 43 42 46
Flight time 1h 48m 1h 54m 1h 40m
Departure OTP 67%
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 48m 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 48m
Time difference0 hours
Airlines (nonstop)1
Weekly flights43 out / 54 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 48m 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 Charlotte Douglas, Nashville and Detroit Metropolitan Wayne County.
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.
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 43 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 48 minutes gate to gate. The route covers a distance of 450 miles (725 km). There are approximately 43 weekly flights outbound and 54 return, totaling 97 flights per week in both directions.

Connecting Options and Alternatives

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