Honestly it depends on many factors.

#1. If you are flying:

- economy

- business

- first

#2. If you are traveling with:

- only a carry on

- checked luggage

#3. If you have:

- a VIP service

- a membership (Gold, Platinum..) with that airline

#4. If you need to:

- clear customs

- declare jewelry or something like this

#5. Time of day and day of travel:

- peak travel times are early mornings

- peak travel days are usually weekends