The Montreal Canadiens have the most wins by a team when playing 18+ games, with 3,581 wins.

Interpreted as:

NHL most regular-season wins through 18 or more games

	TEAM	W	GP	L	T	OTL	PTS	PTS%	SOW	SOL	G	GA	DIFF	PP%	PK%	S/GP	S%	SA/GP	SV%
1	Canadiens	3,581	7,088	2,458	837	213	8,212	.579	83	80	22,559	19,289	3,270	19.4	81.6	30.95	10.7	29.32	.905
2	Bruins	3,431	6,929	2,485	791	222	7,875	.568	78	91	22,018	19,849	2,169	19.8	82.4	31.52	10.4	28.96	.898
3	Maple Leafs	3,183	7,086	2,917	783	204	7,353	.519	68	82	21,874	21,734	140	19.3	79.6	30.77	10.2	31.43	.898
4	Red Wings	3,125	6,862	2,705	815	217	7,282	.531	83	83	20,925	20,427	498	19.9	80.7	31.05	10.1	29.22	.892
5	Rangers	3,064	6,861	2,809	808	180	7,116	.519	92	77	20,927	20,766	161	20.1	81.3	30.86	10.3	30.64	.900
6	Blackhawks	2,906	6,861	2,936	814	205	6,831	.498	85	77	20,203	20,683	-480	18.6	80.8	30.15	10.2	30.48	.901
7	Flyers	2,197	4,474	1,595	457	225	5,076	.567	63	103	14,457	13,180	1,277	19.3	81.3	31.13	10.4	29.19	.899
8	Blues	2,083	4,475	1,764	432	196	4,794	.536	87	77	13,707	13,575	132	19.4	81.9	29.64	10.3	29.09	.896
9	Penguins	2,050	4,474	1,847	383	194	4,677	.523	90	70	14,737	14,924	-187	20.6	80.0	30.57	10.8	31.24	.893
10	Stars	2,022	4,472	1,798	459	193	4,696	.525	88	70	13,627	13,749	-122	19.5	81.4	29.97	10.2	29.83	.897
11	Sabres	1,940	4,245	1,700	409	196	4,485	.528	91	82	13,325	12,903	422	18.7	82.0	29.63	10.6	30.23	.899
12	Kings	1,918	4,471	1,925	424	204	4,464	.499	82	85	13,897	14,520	-623	19.3	79.9	30.24	10.3	29.99	.892
13	Flames	1,917	4,091	1,604	379	191	4,404	.538	59	77	13,209	12,653	556	19.8	80.9	30.22	10.7	29.26	.894
14	Capitals	1,855	3,934	1,572	303	204	4,217	.536	79	86	12,383	12,374	9	19.8	81.3	29.30	10.7	29.58	.894
15	Islanders	1,831	4,089	1,703	347	208	4,217	.516	92	87	12,825	12,704	121	19.6	80.2	29.28	10.7	30.67	.899
16	Canucks	1,803	4,246	1,854	391	198	4,195	.494	82	86	13,015	13,836	-821	19.0	80.4	29.36	10.4	29.95	.891
17	Avalanche	1,694	3,537	1,417	261	165	3,814	.539	86	50	11,478	11,179	299	20.0	80.6	29.66	10.9	30.22	.895
18	Devils	1,682	3,936	1,729	328	197	3,889	.494	84	96	11,486	12,400	-914	18.5	80.9	29.63	9.8	29.02	.891
19	Oilers	1,651	3,536	1,431	262	192	3,756	.531	82	76	11,785	11,458	327	19.5	80.5	29.53	11.3	30.46	.894
20	Hurricanes	1,552	3,534	1,517	263	202	3,569	.505	57	73	10,568	11,197	-629	18.1	81.4	30.12	9.9	29.47	.892
21	Coyotes	1,424	3,480	1,599	266	191	3,305	.475	84	79	10,346	11,597	-1,251	18.2	80.3	29.24	10.2	31.27	.893
22	Lightning	1,158	2,495	1,049	112	176	2,604	.522	77	68	7,197	7,486	-289	18.3	81.7	29.29	9.8	29.64	.899
23	Sharks	1,158	2,577	1,090	121	208	2,645	.513	81	85	7,186	7,665	-479	18.0	81.9	29.43	9.5	29.50	.899
24	Senators	1,109	2,497	1,081	115	192	2,525	.506	69	83	7,082	7,471	-389	17.4	81.3	30.10	9.4	29.90	.900
25	Ducks	1,095	2,411	992	107	217	2,514	.521	82	90	6,393	6,817	-424	17.3	81.6	28.74	9.2	30.74	.908