I love landing in Chicago. Changing planes always blows for a million different reasons. But if you have to change planes, and I mean have to, this is the place you want to do it. O’Hare is modern and clean. It’s easy to navigate. There are plenty of good food options. And, best of all, the United terminal features a bona fide dinosaur skeleton.

I exited the plane and treated myself to a Jamba Juice. A bored Mexican man fixed a Mango-A-Go-Go smoothie for me. Then I found the dinosaur skeleton and peered…