"depart" is correct and usable in written English. You can use it to mean to leave a place or situation, for example: "The train will depart the station at 8:00pm.".
In August, the US state department advised all Americans living in Egypt to depart.
As I depart Langley, I want you to know that it has been the greatest of privileges to have served with you, the officers of our Nation's Silent Service, a work force that is truly exceptional in every regard.
David Cameron will doubtless depart from his political career next month with the bare minimum of a few lucrative company directorships and a kiss-and-tell book deal, so long as that police horse, Raisa and the lamb he cuddled at Easter can be persuaded to ditch their own competing publications, both currently being ghostwritten from audiotapes by the Financial Times's Ben Thompson.
"One Sinhalese Sri Lankan woman was recommended for refugee status, but we're told she voluntarily requested to depart [for Sri Lanka] with the others as she didn't want to be left alone.
Accompanied by one passenger, the pilot made a stopover in Avoriaz, close to the border with Switzerland, and was about to depart when the accident occurred.
Huddersfield will need Vaughan, and Nakhi Wells alongside him, to be on song this time but a year of graft seems likely – particularly with Adam Clayton likely to depart.
Atlético were exhausted; Mario Mandzukic could hardly run and Tiago had to depart.
When I feel like I can't trust my brain 100%, Ludwig really comes in handy. It makes me translate and proofread faster and my output more reliable.
Claudia Letizia
Head Translator and Proofreader @ organictranslations.eu