Leave in the sense of "depart from" can be used as transitive and intransitive verbs. If it is used as intransitive, it is normally construed with "from (the starting place)" or with "for (the destination)".
(EX) The plane left from JFK Airport at 10:15 am.
(EX) The plane left for London at 10:15 am.
(EX) The plane left JFK Airport at 10:15 am.
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