Table 2 Evaluation Index System for Airport Route Assessment.

From: Route evaluation strategy of the Beijing-Tianjin multi-airport system based on the two-dimensional evaluation framework

Target Layer

Criterion Layer

Indicator Layer

Indicator Description

Evaluate the operational level of the routes

International Hub Airport Positioning Alignment Indicators

Destination Airport Functional Positioning39

International hub airport = 1; Other hub airports = 0.8; Non-hub airports = 0.6

Route Category48

International route = 1; Regional route = 0.8; Domestic trunk route = 0.6; Domestic feeder route = 0.4

Regional Hub Airport Positioning Alignment Indicators

Destination Airport Functional Positioning39

International hub airport = 0.6; Other hub airports = 1; Non-hub airports = 0.8

Route Category48

International route = 0.5; Regional route = 0.5; Domestic trunk route = 1; Domestic feeder route = 0.8

Passenger Travel Convenience Indicators

Flight Punctuality Rate48

Historical punctuality rate of flights on the route

Airspace Connectivity of Destination Airport39

Number of destinations connected to the destination airport

Weekly Flight Frequency on Route46

Average number of flights per week on the route

Route Transport Capacity Indicators

Route Passenger Volume46

Annual passenger volume on the route

Load Factor48

Annual average load factor of flights on the route

Route Passenger Competitiveness39

Competitiveness of passengers on the route based on travel costs