Image

O'Hare & Midway lead the list with the most cancellations & delays, according to FlightAware.com, an Internet-based website which tracks and monitors flight activity.
Accordingly, Southwest and United Airlines had the most delays & cancellations.
Wisconsin Air, a regional carrier for United Airlines, canceled the most flights by percentage out of any U.S. carrier on Sunday.
Heavy rain, with a high of 73 and low of 65 degrees. Overcast in the morning, clear for the afternoon and evening, overcast overnight.