which mlb team has the longest drought from appearing in a world series

The Pittsburgh Pirates had 1 appearance in the 1903 World Series.

	TEAM	SEASON	SERIES	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	IBB	GIDP	AVG	OBP	SLG	OPS
1	Pirates	1903	World Series	8	.375	3	5	270	24	64	7	9	1	22	14	1	45	9	3	288	92	17	3	0	1	.237	.277	.341	.618
2	Americans	1903	World Series	8	.625	5	3	281	39	69	4	16	2	34	14	3	29	5	2	304	111	22	6	0	4	.246	.289	.395	.684
3	Giants	1905	World Series	5	.800	4	1	153	15	33	7	0	0	13	15	2	26	11	5	175	40	7	5	2	1	.216	.294	.261	.556
4	Athletics	1905	World Series	5	.200	1	4	155	3	24	5	0	0	2	5	1	25	2	2	164	29	5	3	0	2	.155	.186	.187	.373
5	Cubs	1906	World Series	6	.333	2	4	184	18	36	9	0	0	11	18	2	28	9	6	217	45	9	13	1	1	.196	.275	.245	.519
6	White Sox	1906	World Series	6	.667	4	2	187	22	37	10	3	0	19	18	3	35	6	6	214	53	13	6	0	1	.198	.279	.283	.562
7	Cubs	1907	World Series	5	1.000	4	0	166	19	42	6	1	0	15	13	4	26	16	5	192	50	7	9	0	0	.253	.322	.301	.624
8	Tigers	1907	World Series	5	.000	0	4	172	6	37	1	2	0	6	9	1	22	6	5	185	42	3	3	0	2	.215	.258	.244	.502
9	Cubs	1908	World Series	5	.800	4	1	164	24	48	4	2	1	20	13	0	26	15	8	185	59	7	8	0	3	.293	.345	.360	.704
10	Tigers	1908	World Series	5	.200	1	4	158	15	33	5	0	0	14	12	2	26	5	2	176	38	5	4	0	2	.209	.273	.241	.514
11	Pirates	1909	World Series	7	.571	4	3	223	34	50	13	1	2	25	20	6	34	18	6	258	71	16	9	0	0	.224	.305	.318	.624
12	Tigers	1909	World Series	7	.429	3	4	232	28	56	18	0	2	26	20	4	22	6	6	261	80	20	5	0	1	.241	.313	.345	.657
13	Cubs	1910	World Series	5	.200	1	4	158	15	37	11	1	0	13	18	0	31	3	8	181	50	12	5	0	2	.234	.313	.316	.629
14	Athletics	1910	World Series	5	.800	4	1	177	35	57	19	2	1	30	17	2	24	7	7	203	83	22	7	0	3	.322	.388	.469	.857
15	Giants	1911	World Series	6	.333	2	4	189	13	33	11	1	0	10	14	3	44	3	9	209	46	12	3	0	0	.175	.243	.243	.486
16	Athletics	1911	World Series	6	.667	4	2	205	27	50	15	0	3	21	4	0	31	4	6	216	74	18	7	1	0	.244	.258	.361	.619
17	Giants	1912	World Series	8	.429	3	4	274	31	74	13	4	1	25	22	3	39	11	11	303	98	18	4	2	1	.270	.331	.358	.689
18	Red Sox	1912	World Series	8	.571	4	3	273	25	60	14	6	1	21	19	1	36	5	3	299	89	21	6	1	2	.220	.273	.326	.599
19	Giants	1913	World Series	5	.200	1	4	164	15	33	3	1	1	15	8	3	19	5	4	177	41	5	2	0	4	.201	.251	.250	.501
20	Athletics	1913	World Series	5	.800	4	1	174	23	46	4	4	2	21	7	0	16	5	1	186	64	10	5	1	0	.264	.293	.368	.661
21	Braves	1914	World Series	4	1.000	4	0	135	16	33	6	2	1	14	15	1	18	9	3	153	46	9	2	1	3	.244	.325	.341	.665
22	Athletics	1914	World Series	4	.000	0	4	128	6	22	9	0	0	5	13	0	28	2	1	143	31	9	2	2	2	.172	.248	.242	.490
23	Phillies	1915	World Series	5	.200	1	4	148	10	27	4	1	1	9	10	2	25	2	6	165	36	6	5	0	1	.182	.244	.243	.487
24	Red Sox	1915	World Series	5	.800	4	1	159	12	42	2	2	3	11	11	1	25	1	6	177	57	7	6	1	3	.264	.316	.358	.674
25	Robins	1916	World Series	5	.200	1	4	170	13	34	2	5	1	11	14	2	19	1	3	192	49	8	6	1	4	.200	.269	.288	.557