The victim, in his 30s, was taken to hospital in a life-threatening condition on Sunday evening, British Transport Police said.
He died on Wednesday (December 18), with his family by his side.
McKenzie Dicicco, 22, from Harsley Road, Stockton-on-Tees, has been charged with murder and affray in connection with the assault, the force said.
He is due at York Magistrates’ Court on Thursday (December 19).
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Detective Chief Inspector Sam Painter said: “Our thoughts are with the victim’s family and loved ones, who are being supported by specialist family liaison officers.
“We ask that their privacy is respected at this time.
“A man has been charged in connection with this incident and we are not looking for anyone else in connection.”
Police say they are continuing to urge witnesses, or anyone with information, who is yet to speak to officers to get in touch.
Anyone who can help can text 61016, or call 0800 405040, quoting reference 617 of 15 December. Alternatively, you can contact Crimestoppers anonymously by calling 0800 555 111.
