Köln (Cologne) to Louisville (CGN–SDF) — Airlines, Schedules & Connections

CGN Airport Page →
4,351 mi airlines 2/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 14m ago
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  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Köln (Cologne) to Louisville
Connecting service available through multiple hubs.
2 Flights/wk 4,351 mi 9h 5m nonstop -5h behind 3 1-stop hubs

While no nonstop service exists between CGN and SDF, connecting options are available through 3 hubs.

Also explore CGN Routes SDF Routes CGN Live Flights SDF Live Flights SDF Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for CGN to SDF.
1-STOP
One-Stop Connections
3
Hubs
~11h
Fastest
~12h
Longest
YYZ ~11h 34m MEM ~12h 1m EWR ~12h 44m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
145
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.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
CGN → SDF
100%
Generally reliable. Most flights run on time.
Arriving
100%
Return
SDF → CGN
53%
Frequent delays expected. Consider flexible booking.
Departing
53%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SDF delays →
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-5h
Louisville is 5 hours behind Köln (Cologne).
CGN: CET · SDF: EDT

When it's 6:00 PM in Köln (Cologne), it's 1:00 PM in Louisville.
Distance & Flight Time
4,351 mi / 7,002 km
Nonstop flight time is approximately 9h 5m.
Visa & Entry

German passport holders travel to the United States under the Visa Waiver Program (VWP) for stays up to 90 days. You must apply for ESTA (Electronic System for Travel Authorization) at esta.cbp.dhs.gov before departure. ESTA costs USD 21, is valid for 2 years, and approval usually comes within minutes. Apply at least 72 hours before travel in case of delays.

ESTA requires a machine-readable passport. If your German passport was issued after 2005 it qualifies. You need a return or onward ticket. The 90-day limit is strict and cannot be extended. Leaving to Canada, Mexico, or the Caribbean does not reset the clock. If you overstay even by one day, your ESTA is voided and future entries require a full visa interview at the US Embassy.

CBP officers at the US port of entry make the final admission decision. They may ask about your travel purpose, accommodation, and ties to Germany. Honest, brief answers work best. Global Entry membership (USD 100, 5-year validity) speeds up the arrival process at most major US airports through automated kiosks.

Verify entry requirements with official sources before travel.
Facts

CGN–SDF Quick Facts

Key statistics for the Köln (Cologne) to Louisville route.
Route details
Distance4,351 mi / 7,002 km
Flight time9h 5m
Time difference-5 hours
Airlines (nonstop)0
Weekly flights2 out / 2 return
1-stop connections3 hubs
Origin: CGN
Full nameCologne Bonn Airport
IATA / ICAOCGN / EDDK
TimezoneEurope/Busingen
Passengers/yr10.0M
Elevation302 ft / 92 m
Destination: SDF
Full nameLouisville Muhammad Ali International Airport
IATA / ICAOSDF / KSDF
TimezoneAmerica/Kentucky/Louisville
Passengers/yr4.7M
Elevation501 ft / 153 m
FAQ

Frequently Asked Questions

Common questions about CGN to SDF flights.
Nonstop flights from Cologne Bonn Airport to Louisville Muhammad Ali International Airport take approximately 9h 5m. The route covers 4,351 miles.
There are approximately 2 nonstop flights per week from CGN to SDF. The return direction has about 2 weekly flights.
Yes, 1-stop connections are available through YYZ, MEM and EWR. These options provide additional schedule flexibility.
Louisville is 5 hours behind Köln (Cologne).
Yes, return flights from SDF to CGN are available. Use the direction toggle at the top to view the return schedule.
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 CGN to SDF

Cologne Bonn Airport (CGN) and Louisville Muhammad Ali International Airport (SDF) are connected through multiple connecting hub airports.

CGN to SDF Flight Duration and Schedule

Nonstop flight time from CGN to SDF ranges from 9 hours 5 minutes. The route covers a distance of 4,351 miles (7,002 km). There are approximately 2 weekly flights outbound and 2 return, totaling 4 flights per week in both directions.

Connecting Options and Alternatives

3 one-stop connections are available, with the fastest taking approximately 11 hours via YYZ. Two-stop connections are also available via intermediate hubs.