Meaning of the word "well in advance" in English

What does "well in advance" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

well in advance

US /wel ɪn ədˈvæns/
UK /wel ɪn ədˈvɑːns/
"well in advance" picture

Phrase

a long time before something happens or is expected to happen

Example:
You should book your flight well in advance to get the best price.
The invitations were sent out well in advance of the wedding.