Delta's new service to Atlanta's Hartsfield-Jackson International Airport will include flights between Atlanta and Green Bay using two-class CRJ700 regional jets.
The jets have nine First Class seats, eight Economy Comfort seats and 48 seats in the main cabin.
Adding service from Green Bay to Atlanta means access to the world's largest single airline hub.
From Atlanta, Delta operates more than 920 departures to 207 destinations, including 60 international destinations.
Flights also boast the most first class seats offered by a U.S. airline, along with onboard Wi-Fi.