The owner of the kittens was at O'Hare on December 6 and and they were taken while he was waiting for a flight, police said.
The person who took the kittens then threw the carrier and the kittens into a garbage can, police said.
Two people found the blue carrier in the garbage can and rescued the kittens. Detectives released surveillance images of the couple who rescued the kittens and left O'Hare with them.
Wednesday morning, Chicago police said that the two kittens, Perceive and Nivea, have been found and that an investigation is ongoing.
The video in this story is from a previous report