highest winning percentage by a team this season before the all-star break

I don't have anything for this season, but the Philadelphia Phillies had the highest winning percentage by a team before the All-Star Game in 2024, winning 64.6 percent of the time.

	TEAM	W%	SEASON	W	L	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Phillies	.646	2024	62	34	96	3,271	477	846	156	16	118	456	334	35	804	99	22	3,675	1,388	290	6	29	14	59	.259	.331	.424	.755
2	Guardians	.611	2024	58	37	95	3,147	454	765	160	11	109	424	287	61	695	79	30	3,532	1,274	280	9	28	22	74	.243	.316	.405	.721
3	Orioles	.604	2024	58	38	96	3,317	474	838	169	22	149	458	260	41	776	63	15	3,647	1,498	340	3	26	9	41	.253	.313	.452	.764
4	Yankees	.592	2024	58	40	98	3,269	488	806	139	13	140	469	387	31	786	38	17	3,729	1,391	292	9	33	7	88	.247	.329	.426	.755
5	Dodgers	.577	2024	56	41	97	3,313	479	842	176	17	129	463	374	39	795	60	15	3,760	1,439	322	4	30	19	65	.254	.334	.434	.768
6	Brewers	.567	2024	55	42	97	3,296	466	839	153	15	99	442	363	32	849	133	24	3,714	1,319	267	6	17	8	61	.255	.333	.400	.733
7	Twins	.563	2024	54	42	96	3,257	466	827	192	15	115	443	279	68	757	46	18	3,639	1,394	322	5	30	7	77	.254	.323	.428	.751
8	Braves	.558	2024	53	42	95	3,205	407	774	178	9	109	386	266	35	844	44	13	3,534	1,297	296	2	26	6	60	.241	.304	.405	.709
9	Red Sox	.552	2024	53	43	96	3,301	447	838	175	24	113	430	299	43	930	88	29	3,674	1,400	312	6	25	18	51	.254	.322	.424	.746
10	Royals	.536	2024	52	45	97	3,218	442	795	160	24	101	429	257	29	664	80	18	3,550	1,306	285	13	33	14	57	.247	.306	.406	.711
11	Mariners	.531	2024	52	46	98	3,203	379	701	129	10	109	362	319	58	1,013	74	18	3,602	1,177	248	7	15	6	62	.219	.300	.367	.667
12	Cardinals	.521	2024	50	46	96	3,257	398	799	149	11	94	374	279	39	807	56	16	3,620	1,252	254	14	31	5	44	.245	.310	.384	.694
13	Astros	.521	2024	50	46	96	3,302	457	866	162	11	110	440	267	39	669	64	16	3,644	1,380	283	6	30	11	72	.262	.322	.418	.740
14	Mets	.516	2024	49	46	95	3,275	465	818	176	9	121	447	306	50	769	69	15	3,655	1,375	306	8	16	7	65	.250	.322	.420	.742
15	Diamondbacks	.505	2024	49	48	97	3,280	482	833	167	19	102	461	324	46	763	59	16	3,706	1,344	288	17	39	12	67	.254	.326	.410	.736
16	Padres	.505	2024	50	49	99	3,355	448	876	143	11	109	432	276	30	662	69	19	3,690	1,368	263	14	15	12	88	.261	.322	.408	.729
17	Pirates	.500	2024	48	48	96	3,253	402	751	132	11	99	389	301	31	886	49	10	3,629	1,202	242	12	32	9	63	.231	.299	.370	.669
18	Rays	.500	2024	48	48	96	3,199	376	754	150	11	86	350	311	49	862	95	35	3,587	1,184	247	8	20	6	63	.236	.311	.370	.681
19	Reds	.485	2024	47	50	97	3,169	432	732	158	20	108	406	298	55	872	134	29	3,560	1,254	286	12	26	5	52	.231	.306	.396	.702
20	Giants	.485	2024	47	50	97	3,277	427	801	164	14	96	408	320	31	809	31	14	3,668	1,281	274	7	33	11	69	.244	.315	.391	.706
21	Tigers	.485	2024	47	50	97	3,262	413	763	142	31	99	397	278	38	835	44	14	3,606	1,264	272	3	25	7	55	.234	.299	.387	.687
22	Cubs	.480	2024	47	51	98	3,265	415	768	147	16	100	391	327	52	865	78	19	3,678	1,247	263	9	25	10	55	.235	.313	.382	.695
23	Rangers	.479	2024	46	50	96	3,237	414	779	131	11	101	397	304	35	745	52	14	3,599	1,235	243	4	19	14	65	.241	.311	.382	.693
24	Blue Jays	.464	2024	45	52	97	3,197	394	754	161	13	87	374	317	42	714	45	9	3,594	1,202	261	10	28	5	83	.236	.311	.376	.687
25	Nationals	.454	2024	44	53	97	3,211	402	768	158	10	80	378	280	52	747	126	47	3,585	1,186	248	14	28	7	66	.239	.308	.369	.677