NFL - Highest Win % over a 5-year intervals since the merger

Which teams have had the best win% over a 5-year period since the merger in 1970?

Pats - 14x

49ers - 9x

Cowboys - 5x

Dolphins - 4x

Colts - 3x

Packers - 3x

Raiders - 3x

Bears - 2x

Titans - 2x

Rams - 1x

Eagles - 1x

WFT - 1x

Steelers - 1x

Broncos - 1x

Note: Patriots have had the overall best win% in the 6 of the top 12, 5-years intervals

BY WIN%
RANK	TEAM	FROM	TO	G	W	L	T	PCT
1	NWE	2003	2007	80	66	14	0	0.825
2	MIA	1971	1975	70	57	12	1	0.821
2	MIA	1970	1974	70	57	12	1	0.821
4	IND	2005	2009	80	65	15	0	0.813
5	OAK	1973	1977	70	56	13	1	0.807
6	NWE	2007	2011	80	64	16	0	0.800
6	OAK	1972	1976	70	55	13	2	0.800
8	IND	2004	2008	80	63	17	0	0.788
8	NWE	2013	2017	80	63	17	0	0.788
8	NWE	2010	2014	80	63	17	0	0.788
8	NWE	2006	2010	80	63	17	0	0.788
8	NWE	2004	2008	80	63	17	0	0.788
13	CHI	1984	1988	79	62	17	0	0.785
14	OAK	1974	1978	72	56	16	0	0.778
14	SFO	1986	1990	79	61	17	1	0.778
16	NWE	2015	2019	80	62	18	0	0.775
16	NWE	2014	2018	80	62	18	0	0.775
16	NWE	2012	2016	80	62	18	0	0.775
16	SFO	1989	1993	80	62	18	0	0.775
16	SFO	1988	1992	80	62	18	0	0.775
21	MIA	1981	1985	73	56	16	1	0.774
22	SFO	1987	1991	79	61	18	0	0.772
23	PIT	1975	1979	74	57	17	0	0.770
24	DAL	1976	1980	76	58	18	0	0.763
24	NWE	2011	2015	80	61	19	0	0.763
24	NWE	2009	2013	80	61	19	0	0.763
24	SFO	1994	1998	80	61	19	0	0.763
24	SFO	1990	1994	80	61	19	0	0.763
29	DAL	1977	1981	78	59	19	0	0.756
30	WAS	1982	1986	73	55	18	0	0.753
31	DAL	1991	1995	80	60	20	0	0.750
31	IND	2002	2006	80	60	20	0	0.750
31	NWE	2016	2020	80	60	20	0	0.750
31	NWE	2008	2012	80	60	20	0	0.750
31	SFO	1992	1996	80	60	20	0	0.750
36	SFO	1983	1987	79	58	20	1	0.741
37	PHI	2000	2004	80	59	21	0	0.738
37	SFO	1993	1997	80	59	21	0	0.738
39	CHI	1985	1989	79	58	21	0	0.734
40	DAL	1979	1983	73	53	20	0	0.726
40	DAL	1978	1982	73	53	20	0	0.726
42	NWE	2001	2005	80	58	22	0	0.725
43	MIA	1980	1984	73	52	20	1	0.719
44	DEN	1996	2000	80	56	24	0	0.700
44	GNB	1995	1999	80	56	24	0	0.700
44	STL	1999	2003	80	56	24	0	0.700
44	TEN	1999	2003	80	56	24	0	0.700
48	GNB	1997	2001	80	53	27	0	0.663
50	GNB	1998	2002	80	52	28	0	0.650
50	TEN	1998	2002	80	52	28	0	0.650
BY YEAR
RANK	TEAM	FROM	TO	G	W	L	T	PCT
31	NWE	2016	2020	80	60	20	0	0.750
16	NWE	2015	2019	80	62	18	0	0.775
16	NWE	2014	2018	80	62	18	0	0.775
8	NWE	2013	2017	80	63	17	0	0.788
16	NWE	2012	2016	80	62	18	0	0.775
24	NWE	2011	2015	80	61	19	0	0.763
8	NWE	2010	2014	80	63	17	0	0.788
24	NWE	2009	2013	80	61	19	0	0.763
31	NWE	2008	2012	80	60	20	0	0.750
6	NWE	2007	2011	80	64	16	0	0.800
8	NWE	2006	2010	80	63	17	0	0.788
4	IND	2005	2009	80	65	15	0	0.813
8	IND	2004	2008	80	63	17	0	0.788
8	NWE	2004	2008	80	63	17	0	0.788
1	NWE	2003	2007	80	66	14	0	0.825
31	IND	2002	2006	80	60	20	0	0.750
42	NWE	2001	2005	80	58	22	0	0.725
37	PHI	2000	2004	80	59	21	0	0.738
44	STL	1999	2003	80	56	24	0	0.700
44	TEN	1999	2003	80	56	24	0	0.700
50	GNB	1998	2002	80	52	28	0	0.650
50	TEN	1998	2002	80	52	28	0	0.650
48	GNB	1997	2001	80	53	27	0	0.663
44	DEN	1996	2000	80	56	24	0	0.700
44	GNB	1995	1999	80	56	24	0	0.700
24	SFO	1994	1998	80	61	19	0	0.763
37	SFO	1993	1997	80	59	21	0	0.738
31	SFO	1992	1996	80	60	20	0	0.750
31	DAL	1991	1995	80	60	20	0	0.750
24	SFO	1990	1994	80	61	19	0	0.763
16	SFO	1989	1993	80	62	18	0	0.775
16	SFO	1988	1992	80	62	18	0	0.775
22	SFO	1987	1991	79	61	18	0	0.772
14	SFO	1986	1990	79	61	17	1	0.778
39	CHI	1985	1989	79	58	21	0	0.734
13	CHI	1984	1988	79	62	17	0	0.785
36	SFO	1983	1987	79	58	20	1	0.741
30	WAS	1982	1986	73	55	18	0	0.753
21	MIA	1981	1985	73	56	16	1	0.774
43	MIA	1980	1984	73	52	20	1	0.719
40	DAL	1979	1983	73	53	20	0	0.726
40	DAL	1978	1982	73	53	20	0	0.726
29	DAL	1977	1981	78	59	19	0	0.756
24	DAL	1976	1980	76	58	18	0	0.763
23	PIT	1975	1979	74	57	17	0	0.770
14	OAK	1974	1978	72	56	16	0	0.778
5	OAK	1973	1977	70	56	13	1	0.807
6	OAK	1972	1976	70	55	13	2	0.800
2	MIA	1971	1975	70	57	12	1	0.821
2	MIA	1970	1974	70	57	12	1	0.821