Green Bay to Louisville (GRB–SDF) — Airlines, Schedules & Connections

GRB Airport Page →
454 mi airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 8 1-stop flights Verified 5mos 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

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.

Last scheduled nonstop: Apr 2026.

✦ 1-Stop connections via 8 hubs
ORD Chicago 3h 45m AABACM → AAACAS Chicago (ORD) to Louisville flights
MSP Minneapolis 4h 34m AFDLKE → AFAMDL Minneapolis (MSP) to Louisville flights
DTW Detroit 4h 35m AFDLKE → AFAMDL Detroit (DTW) to Louisville flights
ATL Atlanta 5h AMDLKE → AFAMDL Atlanta (ATL) to Louisville flights
DFW Dallas-Fort Worth 6h 17m AA → AAASAY Dallas-Fort Worth (DFW) to Louisville flights
DCA Washington ~5h 19m DL → AAAS Washington (DCA) to Louisville flights
EWR Newark ~6h 5m UA → ACUA Newark (EWR) to Louisville flights
LGA New York ~6h 10m AADL → DLWS New York (LGA) to Louisville flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Green Bay to Louisville
Connecting service available through multiple hubs.
1 Airlines 454 mi 2h 28m nonstop +1h ahead

GRB–SDF had nonstop service from United Airlines, last on the schedule in April 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 454 miles in 2h 28m.

Also explore Browse available seat maps GRB Routes SDF Routes GRB Live Flights SDF Live Flights GRB Delays SDF Delays
All flights from Louisville (SDF) Louisville to Green Bay flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop GRB–SDF service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 0 – – 50% Star Alliance –
Alliance coverage
Star Alliance: UA (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

1-stop and 2-stop options for GRB to SDF.
1-STOP
One-Stop Connections
8
Hubs
~3h
Fastest
~6h
Longest
ORD ~3h 45m MSP ~4h 34m DTW ~4h 35m ATL ~5h 0m DCA ~5h 19m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
227
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
GRB → SDF
50%
Frequent delays expected. Consider flexible booking.
Departing
50%
Arriving
79%
Return
SDF → GRB
25%
Frequent delays expected. Consider flexible booking.
Departing
25%
Arriving
34%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. GRB delays → SDF delays →
Alternatives

Other ways to reach Louisville from Green Bay

Nearby airports with service to Louisville Muhammad Ali International Airport.
Metric GRB→SDF ATW→SDF IMT→SDF
Distance from GRB – 25 mi 92 mi
Nonstop airlines – 1 1
Weekly flights – – –
Flight time 2h 28m 1h 27m 1h 19m
Departure OTP 50% – –
Appleton (ATW) to Louisville flights · Kingsford (IMT) to Louisville flights · Milwaukee (MKE) to Louisville flights
Airports within 200 miles of GRB with service to Louisville Muhammad Ali International Airport.
Know before you go

Travel Essentials

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

When it's 6:00 PM in Green Bay, it's 7:00 PM in Louisville.
Distance & Flight Time
454 mi / 730 km
Nonstop flight time is approximately 2h 28m gate to gate.
Facts

GRB–SDF Quick Facts

Key statistics for the Green Bay to Louisville route.
Route details
Distance454 mi / 730 km
Flight time2h 28m
Time difference+1 hour
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: GRB
Full nameAustin Straubel International Airport
IATA / ICAOGRB / KGRB
TimezoneAmerica/Chicago
Passengers/yr0.7M
Elevation695 ft / 212 m
Destination: SDF
Full nameLouisville Muhammad Ali International Airport
IATA / ICAOSDF / KSDF
TimezoneAmerica/New_York
Passengers/yr4.7M
Elevation501 ft / 153 m
FAQ

Frequently Asked Questions

Common questions about GRB to SDF flights.
Nonstop flights from Austin Straubel International Airport to Louisville Muhammad Ali International Airport take about 2h 28m gate to gate. The route covers 454 miles.
1 airline operated the nonstop from GRB to SDF: United Airlines. The last scheduled nonstop was in April 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in April 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 2h 28m.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Chicago O'Hare, Minneapolis–Saint Paul 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.
Louisville is 1 hour ahead of Green Bay.
Yes, return flights from SDF to GRB are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include ATW, IMT and MKE. 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 GRB to SDF

Austin Straubel International Airport (GRB) and Louisville Muhammad Ali International Airport (SDF) had nonstop service from United Airlines, last on the schedule in April 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.

GRB to SDF Flight Duration and Schedule

Nonstop flight time from GRB to SDF is about 2 hours 28 minutes gate to gate. The route covers a distance of 454 miles (730 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Chicago O'Hare, Minneapolis–Saint Paul and Detroit Metropolitan Wayne County. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Appleton (ATW), Kingsford (IMT) and Milwaukee (MKE).