Unless you're fortunate enough to be flying in a first class suite, air travel can often ... there are a few basic etiquette rules that can improve the comfort of your journey.

However, according to Jacqueline Whitmore, an etiquette expert, former flight attendant, and author of "Business Class: Etiquette ... more pleasant for everyone. First and foremost, Whitmore ...

A note overlaid on the clip reads: "When you fly business & don't know the etiquette ... class seating has been prioritized by some airlines in recent years, scaling back on first-class seats ...