O'Hare and Midway airports are fully operational.
Aviation officials say flights are running on their normal schedules.
Metra trains are also back on track.
The day after the storm, five lines were shut down and those still running operated on a Sunday schedule.
Trains are now back on weekday schedule.
More than 100 cars towed from Lake Shore Drive remain at lots across the city. They'll remain open until the last vehicle is claimed.
As trucks are working to clear streets, the city will not enforce parking meters Friday but drivers are still expected to pay and park legally.