A highway sign on WB I-80 at Joliet, IL. (December, 2019)
| Delta Sonic | A highway sign on WB I-80 at Joliet, IL. (December, 2019) |
 |  | The Delta Sonic station in Joliet, IL. (January, 2008) |
 | A Delta Sonic in Tinley Park, IL. (May, 2008) |
 | A Delta Sonica in Crestwood, IL. (May, 2008) |
 | A Delta Sonica in Naperville, IL. (August, 2008) |
 | A Delta Sonic in Glenwood, IL. (June, 2011) |
 | A Delta Sonic/Dunkin Donuts in Melrose Park, IL. (October, 2012) |
 |  | A Delta Sonic in Elmhurst, IL. (November, 2012/March, 2024) |
 | A Delta Sonic in Homewood, IL. (April, 2018) |
 | A Delta Sonic in Downers Grove, IL. (September, 2019) |