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

GRB Airport Page →
454 mi airlines 0/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 22 1-stop flights Verified 3w ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 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 22 1-stop hubs

GRB–SDF is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 454 miles in approximately 2h 28m. Beyond nonstop, 22 hubs offer 1-stop connections.

Also explore GRB Routes SDF Routes GRB Live Flights SDF Live Flights GRB Delays SDF Delays
Carriers on this route

Airline Landscape

All carriers operating nonstop GRB–SDF service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 0 – – 100% 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

Beyond nonstop. 1-stop and 2-stop options for GRB to SDF.
1-STOP
One-Stop Connections
22
Hubs
~3h
Fastest
~22h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
166
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.
Alternatives

Other ways to reach Louisville from Green Bay

Nearby airports with service to Louisville Muhammad Ali International Airport.
Metric GRB→SDF ATW→SDF MKE→SDF
Distance from GRB – 25 mi 107 mi
Nonstop airlines 1 1 1
Weekly flights 0 1 1
Flight time 2h 28m 1h 27m 0h 57m
Departure OTP 100% – –
Appleton (ATW) to Louisville flights · Milwaukee (MKE) to Louisville flights · Madison (MSN) 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.
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 connections22 hubs
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 approximately 2h 28m. The route covers 454 miles.
1 airline operates nonstop service: United Airlines.
Yes, 1-stop connections are available through CLE, MDW, ICT, HHH, SSI, BOS, HOU, PIE, RSW, SFB, SRQ, DEN, AUS, MIA, SNA, PHX, LAS, IFP, DTW, ORD, ATL and MSP. These options provide additional schedule flexibility.
Louisville is 1 hour ahead of Green Bay.
Nearby alternatives include ATW, MKE and MSN. 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) are connected by nonstop service from United Airlines.

GRB to SDF Flight Duration and Schedule

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

Connecting Options and Alternatives

22 one-stop connections are available, with the fastest taking approximately 3 hours via CLE. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Appleton (ATW), Milwaukee (MKE) and Madison (MSN).