He gave no details about the illness or ailment that landed him the hospital in the first place.
Wearing a grey overcoat and his signature fedora, former Mayor Daley left the hospital Saturday without talking to reporters.
The 71-year old Daley left Northwestern Memorial Hospital just after noon with help from his son Patrick.
The former mayor walked without assistance to a minivan driven by his daughter.
He waved to reporters as he left.
Neither Daley's family nor hospital officials have offered any insight into the illness that forced him to be hospitalized.
He was admitted to the hospital's intensive care unit on January 31 as he returned from a conference in Scottsdale, Arizona and has been undergoing tests since then.
Daley who was mayor of Chicago for 22 years has been most recently been working for a law firm.
It was whille on a business trip for them Daley felt sick during a flight back to Chicago.
It's not the first health scare for Daley.
In March of 2002 Daley was admitted to Northwestern after becoming disoriented at restaurant.
In April of 2000 Daley was rushed to the hospital by ambulance after suffering chest pain at his South Loop home.
It appeared he was having a heart attack, but it turned out to be hypertension.
He was later diagnosed with a congenital hypertensive condition to which doctors prescribed medication.
A spokesperson for Mayor Daley said that when he left the hospital, he went pretty much straight home. The family may be giving updates on his recovery later this weekend.