| Country | United States (US) |
| UN/LOCODE | CHI |
| Name | Chicago |
| Name Without Diacritics | Chicago |
| Region | IL |
| Function Code | 1--45--- |
| Function | Port, Airport, Postal Exchange Office |
| Status Code | AI (Code Adopted By International Organization) |
| Date | 1301 |
| Airport Code (IATA) | MDW |