Between the 1980-81 and 1989-90 seasons, the Edmonton Oilers had the highest winning percentage by a team, winning 63.6 percent of the time.

	TEAM	W%	GP	W	L	T	PTS	PTS%	G	GA	DIFF	PP%	PK%	S/GP	S%	SA/GP	SV%
1	Oilers	.636	800	456	239	105	1,017	.636	3,817	3,020	797	23.6	79.9	30.96	15.4	31.29	.879
2	Canadiens	.606	800	429	260	111	969	.606	3,145	2,509	636	21.2	80.7	30.87	12.7	27.17	.885
3	Flyers	.592	800	428	281	91	947	.592	3,196	2,693	503	22.2	80.1	32.81	12.2	29.64	.886
4	Bruins	.583	800	418	285	97	933	.583	3,095	2,636	459	21.7	80.7	30.73	12.6	26.64	.876
5	Flames	.579	800	405	279	116	926	.579	3,429	2,976	453	25.5	79.1	32.06	13.4	30.62	.879
6	Islanders	.568	800	406	298	96	908	.568	3,204	2,762	442	24.6	78.9	30.24	13.2	31.31	.890
7	Sabres	.553	800	387	303	110	884	.553	2,993	2,753	240	21.1	80.3	29.74	12.6	28.64	.880
8	Capitals	.549	800	388	309	103	879	.549	3,011	2,737	274	20.7	80.1	30.59	12.3	28.55	.880
9	Rangers	.502	800	351	347	102	804	.502	3,019	3,015	4	21.5	78.5	30.78	12.3	30.69	.877
10	Blues	.500	800	344	344	112	800	.500	2,975	2,992	-17	22.0	78.6	30.15	12.3	30.47	.877
11	Blackhawks	.491	800	342	356	102	786	.491	3,098	3,172	-74	22.6	77.2	31.62	12.2	32.61	.878
12	North Stars	.487	800	326	347	127	779	.487	2,978	3,043	-65	22.5	78.7	31.75	11.7	32.15	.882
13	Nordiques	.469	800	325	375	100	750	.469	3,073	3,172	-99	22.1	78.1	29.46	13.0	30.33	.869
14	Jets	.455	800	311	383	106	728	.455	3,038	3,369	-331	21.3	77.6	31.11	12.2	31.27	.865
15	Kings	.454	800	311	384	105	727	.454	3,241	3,487	-246	22.1	75.3	30.93	13.1	31.45	.861
16	Whalers	.449	800	312	394	94	718	.449	2,815	3,161	-346	20.8	79.2	29.61	11.9	30.65	.871
17	Canucks	.426	800	280	398	122	682	.426	2,804	3,151	-347	20.9	77.2	30.17	11.6	30.16	.869
18	Penguins	.420	800	291	419	90	672	.420	2,993	3,470	-477	22.1	75.6	30.05	12.4	32.88	.868
19	Red Wings	.414	800	273	410	117	663	.414	2,845	3,311	-466	19.3	76.3	29.22	12.2	30.18	.863
20	Maple Leafs	.391	800	266	441	93	625	.391	2,935	3,572	-637	20.1	75.8	29.93	12.3	33.87	.868
21	Devils	.377	800	255	452	93	603	.377	2,688	3,391	-703	19.1	76.0	28.83	11.7	31.05	.864