Research on the Relationship between Beijing-Tianjin-Hebei Airport Group and Regional Coordinated Development

Table 3

Original data of Jing-Jin-Ji Airport Group and New York Airport Group development in 2018.

Primary index	Secondary index	Jing-Jin-Ji Airport Group	New York Airport Group
Route network indicators	Daily average flight density (freight)	1320	1798
	Domestic and international navigation points (number)	443	501
	International passenger transfer rate (%)	16.2	36
Air transport scale indicators	Total annual passenger throughput (10,000 passengers)	14241	19652
	Total annual cargo and mail throughput (10,000 tons)	240	202
	Annual total number of takeoffs and landings (ten thousand)	93	126
Traffic convenience index	The diversity of airport public transportation options (types)	2.2	4.8
	Distance from airport to city (km)	27	24.7
Airport service-level index	Average delay time (min)	30.2	28.2
	Airport departure flight punctuality rate (%)	70.83	69.34