Chicago airport delays: O'Hare among worst in world and weather complicates flights

UPDATE:  On Friday morning, operations at O'Hare were back to normal, with just 20 canceled flights and 44 delays. 

CHICAGO (CBS2) -- O'Hare International Airport ranks No. 2 in the world on Thursday in flight delays and cancellations. 

And those delays are likely to get worse as storms move into the area. 

According to Flight Aware, as of 4 p.m., departure delays are just over an hour (and increasing) due to thunderstorms.

Inbound flights are delayed at their origin by an average of 1 hour, and 32 minutes. All inbound flights are being held at their originating airports until 5 p.m., according to Flight Aware. 

As of 4 p.m. 65 flights have been canceled, or about 5% of scheduled departures, according to Flight Aware's data.  

A total of 341 flights, or about 30% of flights, are delayed.  

Only Denver International Airport had more cancellations worldwide, just barely.  Chicago actually has the most delays in the world as of Thursday afternoon. 

Midway Airport is reporting no cancellations so far today. 

Delays by airport

(Numbers as of 4 p.m.)