The armed teen entered the restaurant in the 5400-block of West Belmont Avenue in the city's Belmont Cragin neighborhood about 9:35 p.m. and demanded money from the cash register, CPD said.
The clerk complied, but a male licensed concealed carry holder in the restaurant confronted the teen.
He shot at the teen, but missed. Bullet holes could be seen in the restaurant's window.
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The boy exited the restaurant and drove away in a black SUV, which crashed in the 2800-block of North Long Avenue.
He tried to get away, but was arrested.
A weapon was recovered, CPD said.
Area Five Detectives are investigating.
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