Total In-House Maintenance Employee Equivalents
		1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
American		10,483	11,685	12,481	13,767	14,662	15,139	15,497	18,187	16,747	16,717	14,694	14,296	13,980	14,479	12,580	12,621	12,981	12,750	11,143	10,907	14,389	14,971	14,660	14,603	15,597	14,059
Continental		2,774	2,570	2,724	3,027	3,289	3,443	3,534	3,376	3,417	3,576	3,504	3,676	3,808	3,889	3,877	3,877	3,731	-	-	-	-	-	-	-	-	-
Delta		7,128	6,099	6,604	7,281	8,252	5,728	5,736	7,869	7,514	7,357	5,917	4,872	5,240	5,272	5,313	7,315	8,345	8,366	8,043	8,269	8,997	9,428	9,630	9,570	8,607	6,539
Northwest		4,651	4,836	5,449	6,179	6,038	5,852	5,444	4,733	2,966	2,531	1,460	267	265	266	210	-	-	-	-	-	-	-	-	-	-	-
United		4,623	2,135	15,036	15,541	16,156	15,846	14,828	6,386	8,137	5,459	4,785	4,848	4,891	6,490	4,108	4,162	4,076	8,190	6,668	6,705	7,020	7,239	9,952	7,912	7,652	3,953
US Airways		5,571	5,401	5,438	5,174	4,869	5,353	4,706	4,303	3,636	3,317	2,223	2,782	3,074	3,421	3,644	3,528	3,559	3,527	3,419	3,369	-	-	-	-	-	-
America West		768	426	416	440	688	653	835	905	899	926	900	831	-	-	-	-	-	-	-	-	-	-	-	-	-	-
--sub Network		35,998	33,152	48,148	51,409	53,954	52,014	50,580	45,759	43,316	39,883	33,483	31,572	31,258	33,817	29,732	31,503	32,692	32,833	29,273	29,250	30,406	31,638	34,242	32,085	31,856	24,551
Southwest		654	825	890	-	1,063	1,146	1,292	1,430	1,524	1,586	1,657	1,643	1,682	1,701	1,679	1,645	1,630	1,796	2,073	2,168	2,214	2,268	2,407	2,484	2,547	2,487
AirTran		-	-	64	301	334	337	372	367	350	359	364	407	409	405	358	375	358	-	-	-	-	-	-	-	-	-
jetBlue		-	-	-	-	-	50	87	153	328	319	397	456	468	471	527	558	595	614	635	739	770	757	803	890	907	808
Alaska		429	26	462	25	27	562	644	621	601	946	199	705	699	727	701	654	652	650	660	684	665	684	706	939	946	855
Virgin America		33	36	-	-	-	-	-	-	-	-	-	-	-	19	97	132	172	201	196	213	221	250	265	-	-	-
Hawaiian		199	202	208	200	13	316	193	193	193	280	192	282	286	-	299	298	295	351	390	399	435	500	536	580	615	537
--sub Hybrid		1,315	1,089	1,624	526	1,437	2,411	2,588	2,764	2,996	3,490	2,809	3,493	3,544	3,323	3,661	3,662	3,702	3,612	3,954	4,203	4,305	4,459	4,717	4,893	5,015	4,687
Allegiant		-	-	-	-	-	-	-	-	16	41	46	70	88	122	157	237	222	250	288	158	313	416	403	409	420	416
Frontier		14	26	49	54	176	231	241	260	236	221	334	363	418	225	237	245	233	247	240	221	187	185	201	210	245	251
Spirit		64	21	155	-	211	246	215	262	262	270	237	199	161	72	178	157	152	148	166	206	266	370	392	433	442	451
-- sub ULCC		78	47	204	54	387	477	456	522	514	532	617	632	667	419	572	639	607	645	694	585	766	971	996	1,052	1,107	1,118
Total All Sectors		37,391	34,288	49,976	51,989	55,778	54,902	53,624	49,045	46,826	43,905	36,909	35,697	35,469	37,559	33,965	35,804	37,001	37,090	33,921	34,038	35,477	37,068	39,955	38,030	37,978	30,356
Note: Shaded data means data appear questionable.
Data Source:  US DOT Form 41 via BTS, Schedule P10.