Originally Posted by
Big Mo
You could reutrn the car at ORD and take a shuttle bus to MDW.
Omega Airport Shuttle runs the service
www.omegashuttle.com. The afternoon trips are scheduled to take 60 minutes, so that would be somewhat faster than the blue/orange line option, but only run once per hour. The shuttle will be subject to rush hour traffic, and I have no idea how reliable that 1 hour trip time actually is. The ORD-MDW fee is $16.