nfl highest winning percentage since until 1965

Before 1966, the Detroit Wolverines had the highest winning percentage by a team, winning 75.0 percent of the time.

TEAMW%GPWLTTDPTSPPGOPP PTSOPP PPG1DWN3DWN%4DWN%
1Wolverines
Wolverines
.750
10
7
2
1
28
189
18.9
76
7.6
2Browns
Browns
.718
202
142
54
6
631
5,085
25.2
3,455
17.1
3,579
3Bears
Bears
.677
570
367
165
38
11,170
19.6
7,683
13.5
6,184
4Chargers
Chargers
.667
84
54
26
4
273
2,163
25.8
1,729
20.6
1,460
5Buccaneers
Buccaneers
.650
10
6
3
1
9
67
6.7
57
5.7
6Bulldogs
Bulldogs
.640
68
38
19
11
840
12.4
380
5.6
7Giants
Giants
.629
505
303
173
29
1,210
9,243
18.3
7,165
14.2
5,319
8Independents
Independents
.615
52
26
14
12
691
13.3
264
5.1
9Bulldogs
Bulldogs
.605
43
23
14
6
79
565
13.1
351
8.2
10Packers
Packers
.601
536
309
201
26
1,314
9,993
18.6
8,053
15.0
5,803
11Yellow Jackets
Yellow Jackets
.596
130
70
45
15
185
1,344
10.3
1,125
8.7
12Maroons
Maroons
.588
17
8
5
4
19
129
7.6
125
7.4
13Bills
Bills
.583
84
47
33
4
237
1,916
22.8
1,676
20.0
1,425
14Panthers
Panthers
.583
24
12
8
4
29
236
9.8
99
4.1
15Bulldogs
Bulldogs
.561
57
31
24
2
95
677
11.9
444
7.8
16Colts
Colts
.560
166
92
72
2
491
3,871
23.3
3,502
21.1
3,010
17Patriots
Patriots
.560
84
44
34
6
235
1,981
23.6
1,813
21.6
1,369
18Steam Roller
Steam Roller
.554
84
41
32
11
98
708
8.4
703
8.4
19Chiefs
Chiefs
.548
84
44
36
4
276
2,120
25.2
1,683
20.0
1,510
20Oilers
Oilers
.542
84
45
38
1
279
2,189
26.1
1,953
23.3
1,586
21Lions
Lions
.533
433
220
191
22
1,029
7,940
18.3
7,328
16.9
5,532
22Bisons
Bisons
.517
89
40
37
12
912
10.2
725
8.1
23
Indians
.508
64
27
26
11
617
9.6
479
7.5
24Tornadoes
Tornadoes
.500
36
15
15
6
32
285
7.9
271
7.5
2549ers
49ers
.488
202
96
101
5
554
4,350
21.5
4,552
22.5
3,619

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AFC EastWLTPCT
14
3
0
.824
Bills Bills - w
12
5
0
.706
7
10
0
.412
Jets Jets - e
3
14
0
.176
AFC NorthWLTPCT
10
7
0
.588
8
9
0
.471
6
11
0
.353
5
12
0
.294
AFC SouthWLTPCT
13
4
0
.765
12
5
0
.706
Colts Colts - e
8
9
0
.471
3
14
0
.176
AFC WestWLTPCT
14
3
0
.824
11
6
0
.647
6
11
0
.353
3
14
0
.176
NFC EastWLTPCT
11
6
0
.647
7
9
1
.441
5
12
0
.294
4
13
0
.235
NFC NorthWLTPCT
Bears Bears - y
11
6
0
.647
9
7
1
.559
9
8
0
.529
Lions Lions - e
9
8
0
.529
NFC SouthWLTPCT
8
9
0
.471
8
9
0
.471
8
9
0
.471
6
11
0
.353
NFC WestWLTPCT
14
3
0
.824
Rams Rams - w
12
5
0
.706
49ers 49ers - w
12
5
0
.706
3
14
0
.176