highest win percentage of all nhl teams alltime with stanley cup talley

The New York Islanders have the best winning percentage by a team in the Stanley Cup Finals, winning 70.8 percent of the time.

	TEAM	W%	SERIES	GP	W	L	T	OTL	PTS	PTS%	SOW	SOL	G	GA	DIFF	PP%	PK%	S/GP	S%	SA/GP	SV%
1	Islanders	.708	Stanley Cup Finals	24	17	7	0	0	34	.708	0	0	99	78	21	37.0	80.0	30.04	13.7	30.46	.893
2	Avalanche	.706	Stanley Cup Finals	17	12	5	0	0	24	.706	0	0	54	30	24	23.5	88.9	29.12	10.9	28.94	.939
3	Senators	.688	Stanley Cup Finals	16	10	4	2	0	22	.688	0	0	37	27	10
4	Maroons	.667	Stanley Cup Finals	12	8	4	0	0	16	.667	0	0	26	12	14
5	Canadiens	.630	Stanley Cup Finals	166	104	61	1	0	209	.630	0	0	484	395	89	15.0	83.5	31.42	10.0	27.72	.918
6	Penguins	.629	Stanley Cup Finals	35	22	13	0	0	44	.629	0	0	101	85	16	19.2	87.1	27.83	10.4	30.03	.919
7	Oilers	.589	Stanley Cup Finals	45	26	18	1	0	53	.589	0	0	150	118	32	19.3	83.2	29.27	11.4	25.69	.898
8	Ducks	.583	Stanley Cup Finals	12	7	5	0	0	14	.583	0	0	28	30	-2	13.2	84.8	23.83	9.8	25.25	.901
9	Devils	.567	Stanley Cup Finals	30	17	13	0	0	34	.567	0	0	69	63	6	12.2	81.7	27.67	8.3	22.70	.907
10	Kings	.563	Stanley Cup Finals	16	9	7	0	0	18	.563	0	0	43	33	10	18.8	88.9	31.31	8.6	28.50	.928
11	Lightning	.533	Stanley Cup Finals	30	16	14	0	0	32	.533	0	0	73	70	3	19.0	81.2	28.07	8.7	28.27	.917
12	Maple Leafs	.533	Stanley Cup Finals	105	56	49	0	0	112	.533	0	0	278	269	9			33.03	8.3	34.88	.921
13	Golden Knights	.500	Stanley Cup Finals	10	5	5	0	0	10	.500	0	0	40	32	8	27.3	83.3	30.80	13.0	29.10	.890
14	Cougars	.500	Stanley Cup Finals	8	4	4	0	0	8	.500	0	0	19	18	1
15	Red Wings	.480	Stanley Cup Finals	127	61	66	0	0	122	.480	0	0	316	314	2	16.8	82.8	31.24	7.9	28.56	.909
16	Blackhawks	.479	Stanley Cup Finals	71	34	37	0	0	68	.479	0	0	187	205	-18	11.6	78.6	30.02	9.4	30.76	.902
17	Metropolitans	.450	Stanley Cup Finals	10	4	5	1	0	9	.450	0	0	30	25	5
18	Capitals	.444	Stanley Cup Finals	9	4	5	0	0	8	.444	0	0	27	27	0	21.2	80.0	26.11	11.5	35.44	.915
19	Flames	.444	Stanley Cup Finals	18	8	10	0	0	16	.444	0	0	46	44	2	22.7	84.4	26.83	9.5	26.28	.907
20	Rangers	.418	Stanley Cup Finals	55	23	32	0	0	46	.418	0	0	124	146	-22	15.2	87.1	29.35	8.6	32.35	.905
21	Hurricanes	.417	Stanley Cup Finals	12	5	7	0	0	10	.417	0	0	26	30	-4	16.2	88.6	23.67	9.2	30.17	.917
22	Millionaires	.400	Stanley Cup Finals	15	6	9	0	0	12	.400	0	0	42	46	-4
23	Bruins	.393	Stanley Cup Finals	98	37	58	3	0	77	.393	0	0	231	265	-34	17.2	85.2	29.16	8.7	29.79	.906
24	Stars	.379	Stanley Cup Finals	29	11	18	0	0	22	.379	0	0	69	96	-27	11.8	79.1	29.28	8.1	31.21	.894
25	Flyers	.364	Stanley Cup Finals	44	16	28	0	0	32	.364	0	0	128	149	-21	26.3	67.0	28.14	10.3	30.91	.890