Total Operating Fleet
All Aircraft
		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		649	647	643	642	674	708	711	818	755	695	708	685	660	648	606	614	615	606	612	627	972	936	947	925	848	648
Continental		300	294	313	338	355	360	357	352	339	343	336	349	353	358	337	325	344	-	-	-	-	-	-	-	-	-
Delta		537	533	552	562	581	600	625	597	533	422	427	371	435	431	437	722	710	707	713	748	787	809	838	858	884	808
Northwest		370	392	399	412	414	420	435	444	429	434	420	373	370	338	303	-	-	-	-	-	-	-	-	-	-	-
United		553	561	569	573	587	601	597	556	551	519	462	460	453	445	382	360	358	697	698	697	708	724	744	655	770	778
US Airways		379	391	385	370	382	397	307	305	276	289	287	724	698	359	352	343	339	342	344	342	-	-	-	-	-	-
America West		90	98	101	104	115	129	143	107	141	139	140	136	97	-	-	-	-	-	-	-	-	-	-	-	-	-
--sub Network		2,877	2,916	2,962	3,001	3,108	3,214	3,176	3,181	3,023	2,840	2,781	3,099	3,067	2,579	2,418	2,365	2,367	2,353	2,368	2,414	2,468	2,469	2,530	2,438	2,502	2,234
Southwest		251	229	249	261	291	325	354	365	380	404	432	462	500	535	541	543	554	621	601	623	673	705	712	722	734	704
AirTran		1	15	11	40	50	48	53	61	69	78	92	114	132	136	133	135	136	-	-	-	-	-	-	-	-	-
jetBlue		-	-	-	-	-	5	16	27	43	60	77	106	128	175	148	153	165	174	185	196	208	219	234	247	254	264
Alaska		73	74	76	82	86	91	158	102	107	108	110	111	113	113	114	115	117	120	128	134	129	148	154	210	235	154
Virgin America		-	-	-	-	-	-	-	-	-	-	-	-	6	19	25	28	37	42	46	51	54	62	65	-	-	-
Hawaiian		20	22	21	23	25	29	32	22	28	25	25	25	28	31	33	35	35	42	45	47	48	49	51	56	58	60
-- sub Hybrid		345	340	357	407	453	499	613	578	627	674	736	819	907	1,009	995	1,009	1,044	999	1,006	1,051	1,113	1,183	1,216	1,235	1,281	1,183
Allegiant		-	-	-	-	-	1	2	2	3	8	12	11	26	33	39	47	52	60	63	69	75	83	87	91	86	97
Frontier		5	8	12	15	17	18	21	15	36	42	47	51	57	59	50	44	49	59	53	53	57	64	63	76	92	81
Spirit		8	11	12	16	20	24	28	28	29	31	32	32	35	33	28	30	35	41	51	57	70	79	104	114	135	153
-- sub ULCC		13	19	23	31	37	42	51	45	67	81	90	93	117	125	117	121	136	160	167	179	202	225	254	281	313	331
Total All Sectors		3,235	3,274	3,342	3,439	3,598	3,755	3,839	3,804	3,717	3,595	3,606	4,010	4,091	3,712	3,530	3,495	3,546	3,511	3,541	3,644	3,782	3,877	3,999	3,954	4,095	3,748
Source:  US DOT Form 41 via BTS, schedule T2. Note: Total Operating Fleet = Aircraft Days Assigned/Days in Year. Represents average fleet count over the course of the entire year.
Note: Shaded data means data appear questionable.