 It is the third inbound station from O'Hare on the Blue Line and is situated between the Rosemont and Harlem stations.Blue Line trains serve Cumberland 24 hours a day every day; trains operate roughly every 7 to 10 minutes during rush hour and midday operation, with longer headways of up to 30 minutes at night.The station is approximately seven minutes from O'Hare, 31 minutes from Clark/Lake in the Loop, and 52 minutes from Forest Park.