Dog lost for 22 days at Atlanta airport was found thanks to Good Samaritan: "Just so happy that I got her"

Maia , a Chihuahua mix, got separated from her owner on a flight to the U.S. from the Dominican Republic .

Maia escaped her zipped carrier and ran onto the active runway during a transfer.

A Good Samaritan posted signs around the Atlanta airport hoping to find Maia .

A FedEx employee who saw the signs and saw the seashells on her collar helped identify her.