International Available Seat Miles as  a Percent of Total System Available Seat Miles
		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		29.5%	29.7%	29.7%	31.3%	31.4%	32.1%	32.1%	27.6%	29.5%	32.3%	34.6%	36.0%	36.1%	37.7%	38.7%	39.2%	40.6%	41.1%	42.2%	43.3%	39.9%	37.7%	38.8%	38.6%	38.0%	25.0%
Continental		15.9%	18.3%	24.2%	29.0%	32.9%	34.7%	33.7%	34.9%	36.0%	38.3%	41.1%	43.2%	44.0%	46.6%	47.6%	48.6%	49.5%
Delta		23.2%	21.1%	20.5%	22.4%	22.2%	22.8%	24.1%	24.0%	22.7%	24.2%	26.4%	34.0%	38.6%	43.7%	45.0%	45.2%	46.5%	45.9%	45.3%	45.1%	44.0%	42.3%	41.5%	40.3%	39.4%	28.1%
Northwest		39.2%	39.8%	40.4%	40.6%	39.3%	40.3%	40.2%	39.8%	38.6%	38.5%	39.9%	40.6%	42.4%	46.5%	45.4%
United		36.7%	36.8%	37.7%	36.8%	35.0%	37.3%	38.8%	36.6%	35.0%	35.7%	40.2%	39.3%	40.8%	43.0%	43.5%	44.6%	47.6%	48.9%	49.1%	49.9%	49.8%	49.2%	48.1%	47.4%	47.1%	41.9%
US Airways		5.1%	7.2%	8.9%	10.3%	11.6%	13.2%	16.3%	19.0%	23.4%	25.1%	25.0%	28.1%	26.5%	21.7%	24.7%	26.4%	26.8%	26.5%	26.3%	26.6%	25.1%
America West		1.3%	3.2%	3.2%	2.8%	2.0%	1.9%	2.1%	2.9%	3.4%	3.3%	3.8%	3.3%	3.9%
--sub Network		27.2%	27.4%	28.2%	29.2%	29.1%	30.2%	30.8%	29.6%	29.8%	31.2%	33.6%	35.9%	37.7%	40.5%	41.4%	42.1%	43.6%	43.5%	43.5%	44.0%	43.6%	42.9%	42.7%	42.1%	41.5%	31.2%
Southwest		0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.7%	2.6%	3.1%	3.6%	3.6%	3.3%	1.8%
AirTran		0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.5%	0.4%	0.1%	0.0%	0.9%	4.4%	5.2%	9.1%	15.3%	23.1%
jetBlue							0.0%	0.0%	0.0%	0.0%	1.4%	0.6%	0.0%	0.0%	4.6%	11.6%	14.9%	15.3%	16.2%	17.1%	20.5%	21.1%	20.8%	21.2%	22.1%	23.7%	22.0%
Alaska		6.7%	7.5%	7.5%	8.0%	8.4%	9.3%	9.1%	9.8%	9.8%	9.5%	9.4%	10.3%	11.1%	9.9%	8.4%	7.6%	8.4%	7.7%	7.5%	7.0%	6.6%	7.2%	7.9%	5.8%	4.9%	6.7%
Virgin America														0.0%	0.0%	0.0%	0.0%	3.5%	3.8%	3.1%	2.7%	2.7%	2.5%	2.5%	2.4%
Hawaiian		5.7%	5.5%	5.0%	4.9%	5.9%	10.8%	8.7%	3.4%	1.5%	5.8%	8.3%	6.8%	5.3%	9.4%	10.9%	11.5%	25.1%	32.5%	38.2%	34.3%	31.2%	31.7%	35.4%	34.0%	32.0%	21.2%
-- sub LCC		2.1%	2.2%	2.1%	2.2%	2.2%	2.6%	2.3%	1.9%	1.7%	2.0%	1.9%	1.8%	1.7%	2.4%	3.6%	4.6%	5.9%	7.1%	8.2%	8.6%	8.7%	9.0%	9.7%	9.8%	9.9%	7.3%
Allegiant							0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.1%	0.0%	0.0%	0.0%	0.0%	0.1%	0.0%	0.0%	0.0%
Frontier		0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	6.9%	7.8%	10.0%	8.2%	6.2%	7.8%	6.4%	11.9%	13.1%	12.3%	10.6%	7.4%	8.0%	9.1%	8.5%	8.3%
Spirit		0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	6.3%	13.0%	19.5%	20.9%	19.4%	18.6%	16.5%	14.3%	11.9%	11.2%	10.2%	9.3%	7.8%	9.2%	11.3%	8.8%
-- sub Other		0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	6.0%	8.2%	11.7%	11.0%	9.0%	9.4%	8.4%	10.0%	9.4%	8.9%	8.1%	6.7%	6.3%	7.4%	8.3%	6.7%
Total All Sectors		25.2%	25.2%	25.8%	26.5%	26.2%	27.0%	27.0%	25.5%	25.0%	26.0%	27.5%	28.8%	29.5%	31.4%	32.0%	32.5%	33.4%	33.3%	33.3%	33.6%	32.8%	31.9%	31.6%	31.0%	30.7%	21.5%
Source:  US DOT Form 41 via BTS, schedule T2.