Community Detection in Airline Networks: An Empirical Analysis of American vs. Southwest Airlines

Table 2

Community analysis of the SWA network.

SWA	Key airports	Core community		Size	Degree	Internal edges	external edges
	DEN, LAS, OAK	√	0.75	11	366	50	266
	LAX, PHX, SAN	√	0.69	6	148	15	118
	MDW		0.61	5	145	10	125
	ATL, HOU, MCO	√	0.77	9	280	36	208
	BWI		0.51	5	174	10	154
	STL		0.43	3	86	3	80