Collocations for departure - noun

abrupt, sudden
Everyone was a little puzzled by her sudden departure.

hasty, quick
voluntary
early, late
imminent, impending
The guard blew his whistle to warn of the train's imminent departure.

scheduled
flight
The last check-in time is 45 minutes before flight departure.

make
He made a hasty departure.

hasten
Her disagreement with the MD probably hastened her departure.

delay
announce
Our boss sent out an email announcing her departure.

point
Atocha station was the departure point for our tour.

date, time
gate, lounge
We sat in the departure lounge waiting for our flight to be called.

before departure, prior to departure
You should receive your flight tickets at least a week prior to departure.

on departure
All visitors must sign the book on arrival and again on departure.

departure for
his departure for Naples

departure from
her departure from Toronto

the day, time, etc. of departure
the point of departure (figurative)
The author takes Freud's dream theories as the point of departure for his essay.

new
big (informal), complete, dramatic, fundamental, major, marked, radical, sharp (AmE), significant
This project represents a big departure for me.

refreshing (esp. AmE), welcome

be, mark, represent

departure from
This document marks a radical departure from earlier recommendations.