Originally Posted by MarineGrunt

Wide body FO is 6 years or so right now. 737CA is about same seniority. 767 is maybe 3yrs.

You will fly some international as a new hire on the 737/320, but not much. Usually just Mexico, Caribbean and even more rarely northern South America. Narrow body flying is overwhelmingly domestic.

Edit to add: if you’re from the states, you’d be insane to go to Emirates over AA.