A 31-year-old was knifed after a dispute with another man on a Queens subway platform Tuesday afternoon, police said.

The dispute broke out on the A train platform at the Beach 90th Street station around 4:20 p.m., cops said. The attacker sliced the man’s face and stabbed him in the thigh.

The man was taken to Jamaica Hospital and was expected to survive.

A 25-year-old man wearing a blue and red jacket fled the scene with a female, who’s believed to be in her 20s, police said.