San Diego Sourcebook: Airlines at San Diego International Airport - San Diego Source

Company Name	Number of San Diego Passengers (Jan-Feb. 2015)	Number of San Diego Departures (Jan-Feb., 2015)	Terminal at SD	Number of Cities Served
Allegiant Air	n/a	-	Terminal 2	87
SeaPort Airlines, Inc.	n/a	-	Terminal 1	-
Sun Country Airlines	n/a	-	Terminal 2	33
Volaris	n/a	-	Terminal 2	35
Air Canada	8,502	83	Terminal 2	126
US Airways	77,678	527	Terminal 2	218
British Airways	77,233 in 2014	333	Terminal 2	341
Southwest Airlines	531,162	5,107	Terminal 1	76
Japan Airlines	50,110 in 2014	333	Terminal 2	229
Spirit Airlines	34814	292	Terminal 2	55
WestJet	31,815 in 2014	239	Terminal 2	138
Virgin America	26,359	259	Terminal 2	15
JetBlue Airways	24,349	184	Terminal 2	71
Frontier Airlines	17,194	125	Terminal 2 West	89
Hawaiian Airlines	15,095	59	Terminal 2	16
United Airlines	148,299	1,087	Terminal 1	404
Delta Air Lines	128,755	846	Terminal 2	590
American Airlines	108,588	801	Terminal 2	215
Alaska Airlines	108,431	828	Terminal 1	96