I posted the stats on running away with it before.
Uniteds average winning margin in seasons they won the Premier League is 7 pts. There biggest margin 18, smallest 1.
Citys average winning margin in seasons they've won the Premier League is 5 pts. Their biggest 19, smallest 0. Of 4 titles City have won by 0,1,2 and 19 points. So one on goal difference, one thanks to John Stones being a size 11 and not 10 and one by Stevie G falling over. Only 1 season have we run away with it, in 12 since the takeover (likely twice this season).
There is literally one season where City ran away with the league in February (potentially 2).
United have won PL titles by 18 pts, 11 pts and 10 pts x 2.