Ontario Intl (ONT) in Ontario, CA.
Where to walk your dog:
This airport is easy to travel with Pets as there is a potty place at both ends of the terminal (#2). The potty place on the Arrival end of the terminal is grass, and the potty place at the Departure end is sand, for the kitties. It is easy to walk to either end of the terminal depending on what medium you want your pet to use.