Chelsea had their best record in the Premier League in a season in 2004-05, with a record of W29 D8 L1.

Interpreted as:

best in a season chelsea team of all-time

	CLUB	W-D-L	SEASON	W%	M	W	D	L	G	GC	XG	XGA	SH	SOT	PASS-ATT	PASS	POSS%	FOUL	YC	RC
1	Chelsea	W29 D8 L1	2004-05	.763	38	29	8	1	72	15									53	0
2	Chelsea	W30 D3 L5	2016-17	.789	38	30	3	5	85	33			580	204	20,125	16,880	55.0	395	72	0
3	Chelsea	W29 D4 L5	2005-06	.763	38	29	4	5	72	22									63	5
4	Chelsea	W26 D9 L3	2014-15	.684	38	26	9	3	73	32			564	210	20,269	16,859	55.7	382	75	4
5	Chelsea	W27 D5 L6	2009-10	.711	38	27	5	6	103	32			834	288	18,852		59.3	473	60	5
6	Chelsea	W25 D10 L3	2007-08	.658	38	25	10	3	65	26			605	199	17,252		58.7	478	65	6
7	Chelsea	W25 D8 L5	2008-09	.658	38	25	8	5	68	24			797	248	19,940		60.2	456	50	3
8	Chelsea	W24 D11 L3	2006-07	.632	38	24	11	3	64	24			636	216	16,769		56.9	488	66	4
9	Chelsea	W25 D7 L6	2013-14	.658	38	25	7	6	71	27			692	229	18,266		55.2	425	62	3
10	Chelsea	W24 D7 L7	2003-04	.632	38	24	7	7	67	30									45	3
11	Chelsea	W22 D9 L7	2012-13	.579	38	22	9	7	75	39			626	212	18,432		54.4	399	54	3
12	Chelsea	W20 D15 L3	1998-99	.526	38	20	15	3	57	30									83	3
13	Chelsea	W21 D11 L6	2021-22	.553	38	21	11	6	76	33	66.00	34.71	592	211	22,945	20,037	62.3	408	63	1
14	Chelsea	W21 D9 L8	2018-19	.553	38	21	9	8	63	39			607	198	25,286	22,180	63.4	339	49	0
15	Chelsea	W21 D8 L9	2010-11	.553	38	21	8	9	69	33			745	244	19,236		58.3	441	59	1
16	Chelsea	W21 D7 L10	2017-18	.553	38	21	7	10	62	38			606	220	21,264	17,921	55.7	363	46	4
17	Chelsea	W6 D2 L3	2025-26	.545	11	6	2	3	21	11	20.38	13.86	158	62	5,869	5,096	59.9	127	23	3
18	Chelsea	W20 D9 L9	2024-25	.526	38	20	9	9	64	43	68.66	49.55	595	218	19,748	17,174	57.2	437	101	2
19	Chelsea	W19 D10 L9	2020-21	.500	38	19	10	9	58	36			558	208	23,756	20,658	61.4	433	51	3
20	Chelsea	W19 D10 L9	2002-03	.500	38	19	10	9	68	38									64	1
21	Chelsea	W20 D6 L12	2019-20	.526	38	20	6	12	69	54			625	223	23,030	19,617	60.7	386	60	0
22	Chelsea	W18 D11 L9	1999-00	.474	38	18	11	9	53	34									59	4
23	Chelsea	W18 D10 L10	2011-12	.474	38	18	10	10	65	46			671	224	18,766		55.8	429	76	4
24	Chelsea	W17 D13 L8	2001-02	.447	38	17	13	8	66	38									69	3
25	Chelsea	W18 D9 L11	2023-24	.474	38	18	9	11	77	63	75.97	59.13	548	215	21,768	19,053	59.0	446	109	4