Time Out says
While open all day, Chicago's Pizza is best known for delivering pies until 5am, making it the city's unofficial delivery drunk food. Order up a deep-dish, thin crust or stuffed pizza, all of which are fine at normal hours and transcendent at 4am.
Posted: Tuesday, June 21, 2016
1919 W Montrose Ave
El stop: Brown to Montrose. Bus: 50, 78.