KMDW|CHICAGO|IL|US|41.78|-87.75|188|
KORD|CHICAGO O'HARE|IL|US|41.98|-87.93|200|
KPWK|PALWAUKEE|IL|US|42.12|-87.9|203|
KUGN|WAUKEGAN|IL|US|42.42|-87.87|222|