Check out the airline policy on carrying on pets. And search this forum for this subject (
http://www.yorkietalk.com/forums/sho...ghlight=flying see if this link works). I think some members mentioned they flew with their yorkie on JetBlue. Personally, I would never put my dog in cargo. It's not temperature controlled and there are way too many cases of dogs and other pets dying in cargo.
I'm actually taking Trixie along on NorthWest Airlines to see my folks in the Netherlands over Christmas. I'm very very very excited Trixie is coming along with us, but I am worried about the long flight with her...