Flyers taking trips this summer may look at their boarding pass and just see their entry to an airplane. But your boarding ...

These include unique alphanumeric codes that identify reservation details, acronyms identifying a passenger's place in boarding and letters used to identify a passenger's fare class.

How to read your plane ticket's "secret codes," why you should save your boarding pass, AVL's construction timeline and more.

A or F: Indicates a first-class ticket. J: Business Class. It indicates the passenger's ticket is for a full-price business class fare. Y: Economy Class.