I am thinking possibly 11-5 with some luck (split with Patriots?).
Maybe something like this-
Bills Away games: Titans (W), Cowboys (L), Browns (L), Steelers (W), Giants (W), Jets (L), Phins (W), Pats (L) 4-4
Bills Home games: Broncos (W), Ravens (W), Eagles (L), Bengals (W), Skins (W), Jets (W), Phins (W), Pats (W) 7-1