Delays, cancellations dropping at Chicago's airports following Friday's ground stop

Fewer delays and cancellations at Chicago's airports were reported so far on Sunday following Friday's nationwide ground stop.

As of late morning Sunday morning, O'Hare International Airport was reporting 272 delayed flights and 145 canceled flights, according to the flight tracking website FlightAware. That's a considerable drop from Saturday when the airport experienced 894 delays and 742 cancellations.

Midway International Airport saw similar improvement, according to FlightAware's data. As of Sunday morning, the airport had 112 delays and 35 cancellations. On Saturday, Midway reported 143 delayed flights and 76 canceled flights.

Air travel was thrown into chaos across the country Friday after the Federal Aviation Administration issued a rare, nationwide ground stop. Federal officials blamed the country's aging air traffic control system for instability in air traffic control communications.