Since 2001-02, the Vegas Golden Knights have the highest winning percentage by a team, winning 58.1 percent of the time.

nhl best team winning percentage since 2002

TEAM	W%	GP	W	L	T	OTL	PTS	PTS%	G	GA	PP%	PK%	S/GP	SA/GP
Vegas Golden Knights	.581	537	312	176		49	673	.627	1,720	1,496	19.6	79.7	33.04	29.81
Boston Bruins	.564	1,732	960	538	32	202	2,154	.622	5,098	4,405	19.3	83.4	31.75	29.60
Dallas Stars	.535	1,731	905	602	41	183	2,034	.588	4,926	4,654	18.8	81.8	29.71	28.68
Tampa Bay Lightning	.534	1,732	908	629	35	160	2,011	.581	5,222	4,961	19.9	81.5	29.86	29.65
Washington Capitals	.532	1,731	906	606	29	190	2,031	.587	5,168	4,939	20.4	81.2	29.61	30.43
Pittsburgh Penguins	.530	1,731	906	627	22	176	2,010	.581	5,213	4,976	19.6	82.0	30.87	30.55
Nashville Predators	.528	1,731	896	625	37	173	2,002	.578	4,832	4,671	17.5	81.9	29.59	30.07
New York Rangers	.526	1,732	901	638	21	172	1,995	.576	4,929	4,621	18.4	82.4	30.36	30.04
Colorado Avalanche	.524	1,732	891	649	34	158	1,974	.570	5,092	4,875	19.2	81.3	30.29	30.38
St. Louis Blues	.524	1,733	893	625	30	185	2,001	.577	4,875	4,696	18.6	82.7	29.23	28.37
Detroit Red Wings	.520	1,733	885	611	31	206	2,007	.579	5,007	4,861	19.7	81.8	30.86	29.20
Vancouver Canucks	.519	1,731	883	646	30	172	1,968	.568	4,956	4,756	19.1	82.1	29.56	29.93
Minnesota Wild	.516	1,731	872	640	42	177	1,963	.567	4,719	4,583	18.2	82.6	28.35	29.73
San Jose Sharks	.514	1,732	876	636	29	191	1,972	.569	4,909	4,806	19.7	82.4	30.60	29.11
Toronto Maple Leafs	.507	1,732	864	647	27	194	1,949	.563	5,239	5,146	19.5	80.3	30.54	30.57
Calgary Flames	.501	1,732	852	674	32	174	1,910	.551	4,860	4,802	17.6	82.0	29.84	28.85
Carolina Hurricanes	.499	1,730	843	651	41	195	1,922	.555	4,841	4,838	17.5	82.5	31.58	28.90
New Jersey Devils	.498	1,731	847	670	31	183	1,908	.551	4,547	4,631	17.7	82.8	29.41	28.28
Philadelphia Flyers	.492	1,731	832	649	38	212	1,914	.553	4,941	4,978	18.3	81.5	30.67	29.61
Los Angeles Kings	.488	1,732	829	680	33	190	1,881	.543	4,631	4,647	18.0	81.5	30.23	28.19
Ottawa Senators	.487	1,733	831	693	27	182	1,871	.540	5,038	5,031	18.5	81.6	30.73	30.61
Anaheim Ducks	.487	1,733	831	672	27	203	1,892	.546	4,601	4,820	18.2	81.8	29.06	30.63
Winnipeg Jets	.483	1,733	824	716	26	167	1,841	.531	4,975	5,179	17.9	80.0	29.46	31.45
Montreal Canadiens	.477	1,733	814	694	27	198	1,853	.535	4,734	4,946	18.2	81.4	29.55	31.19
New York Islanders	.476	1,730	809	694	30	197	1,845	.533	4,786	5,027	17.4	80.9	29.92	30.82