Wendy's hours in Illinois
- Algonquin
- Alton
- Aurora
- Barry
- Bartlett
- Batavia
- Belleville
- Bloomingdale
- Bloomington
- Bolingbrook
- Bourbonnais
- Bridgeview
- Buffalo Grove
- Calumet City
- Calumet Park
- Carol Stream
- Carpentersville
- Centralia
- Champaign
- Chicago
- Chicago Heights
- Cicero
- Collinsville
- Countryside
- Danville
- Darien
- Decatur
- Dekalb
- Des Plaines
- Dolton
- Downers Grove
- East Dundee
- Edwardsville
- Effingham
- Elgin
- Elk Grove Village
- Elmhurst
- Fox Lake
- Franklin Park
- Freeport
- Galesburg
- Geneva
- Glen Ellyn
- Glendale Hts
- Glenview
- Glenwood
- Gurnee
- Hampshire
- Hanover Park
- Hazel Crest
- Hickory Hills
- Highland Park
- Hillside
- Hoffman Estates
- Homer Glen
- Itasca
- Jacksonville
- Joliet
- Kankakee
- Lake Zurich
- Lansing
- Libertyville
- Lincoln
- Lindenhurst
- Litchfield
- Macomb
- Manteno
- Marion
- Matteson
- Mattoon
- McHenry
- Melrose Park
- Minooka
- Mokena
- Montgomery
- Morris
- Mount Vernon
- Naperville
- Niles
- Normal
- North Riverside
- Oak Park
- Orland Hills
- Orland Park
- Palatine
- Palos Heights
- Paris
- Park City
- Pekin
- Peoria
- Peru
- Plainfield
- Pontiac
- Princeton
- Quincy
- Rochelle
- Rockford
- Romeoville
- Round Lake Beach
- Saint Charles
- Salem
- Schaumburg
- Schiller Park
- Shorewood
- Skokie
- Springfield
- Streamwood
- Swansea
- Taylorville
- Tinley Park
- Vandalia
- Vernon Hills
- Waukegan
- West Chicago
- Wood Dale
- Woodridge
- Woodstock
- Zion
