Next match Manchester United vs Leicester City and moment for United catch up close position standing with Arsenal behind 4 points right now, but Arsenal have benefit behind 1 match left than Manchester United. Still possibility for Manchester United finish on 4th standing place depending with 9 match left how keep consistent for Manchester United get all points. But both Arsenal and Manchester United against each other and have chance for both team finish on 4th standing place. I think not only with Manchester United and Arsenal but also still have Tottenham Hotspur as candidate finish on 4th standing place because 3 points and have looks easy match left.
I don't think there's much chance of Man U taking fourth spot, I think the top four is pretty much set now. Man U just don't have the consistency, and their recent results aren't as strong. I think their season is effectively over, all they have left is to hope they can finish in fifth or sixth and don't slip further down the table.
Arsenal's game in hand means more now that there are fewer games left in total.