We have developed a Global Airport Connectivity Index (GACI), which measures each airport’s relative importance in the air transport network, by combing the five selected centrality indicators , which are degree centrality, flow betweenness, closeness centrality, eigenvector centrality, and regional importance, into a single score. It helps identify and assess dominant airports as to where they rank in relation to their counterparts, upon changes of network topology and passenger flows through the network over time.

The below table shows the top-55 airports (with GACI ≥ 2.0) in 2016, and their GACI and rank changes since 2006.

Airport (ranked by 2016
GACI)
GACI 2016 GACI 2011 GACI 2006 Rank Change from
2006
% GACI Change from
2006
Region Airport City-Country
PEK 3.392 2.996 2.386 18 0.4214 AS Beijing,China
CDG 3.225 3.083 2.942 3 0.0962 EU Paris,France
FRA 3.131 3.286 3.275 -2 -0.0439 EU Frankfurt,Germany
LAX 3.116 3.168 3.239 -2 -0.038 NA LosAngeles,USA
DXB 3.008 2.581 2.142 28 0.404 ME Dubai,UAE
AMS 2.982 3.031 2.779 1 0.0729 EU Amsterdam,Netherlands
PVG 2.912 2.423 1.918 39 0.5176 AS Shanghai,China
IST 2.908 2.204 1.825 50 0.5941 EU Istanbul,Turkey
ORD 2.906 2.86 2.95 -5 -0.0149 NA Chicago,USA
ATL 2.865 3.167 3.023 -7 -0.0523 NA Atlanta,USA
JFK 2.763 2.679 2.905 -5 -0.0489 NA NewYork,USA
SIN 2.748 2.862 2.47 3 0.1126 AS Singapore
HKG 2.73 2.466 2.391 5 0.1418 AS HongKong
LHR 2.721 2.64 2.751 -5 -0.0109 EU London,UK
YYZ 2.674 2.652 2.766 -7 -0.0332 NA Toronto,Canada
SFO 2.656 2.609 2.321 4 0.1446 NA SanFrancisco,USA
ICN 2.606 2.387 2.274 7 0.1459 AS Seoul,Korea
CAN 2.603 2.265 1.817 43 0.4323 AS Guangzhou,China
EWR 2.547 2.569 2.649 -9 -0.0387 NA NewYork,USA
DFW 2.522 2.648 2.552 -9 -0.0118 NA Dallas,USA
BKK 2.496 2.599 2.522 -9 -0.0103 AS Bangkok,Thailand
IAH 2.443 2.433 2.503 -9 -0.024 NA Houston,USA
MUC 2.417 2.337 2.31 -1 0.0464 EU Munich,Germany
DEN 2.405 2.714 2.485 -10 -0.0322 NA Denver,USA
NRT 2.403 2.217 2.262 2 0.0622 AS Tokyo,Japan
FCO 2.389 2.312 2.038 13 0.1722 EU Rome,Italy
MAD 2.354 2.389 2.158 4 0.091 EU Madrid,Spain
MIA 2.334 2.251 2.212 2 0.0553 NA Miami,USA
SEA 2.322 2.447 2.158 3 0.0757 NA Seattle,USA
JED 2.313 1.85 1.634 55 0.4158 ME Jeddah,Saudi
KUL 2.287 2.417 2.134 3 0.0717 AS KualaLumpur,Malaysia
MSP 2.286 2.304 2.237 -3 0.0218 NA Minneapolis,USA
MCO 2.266 2.191 2.091 3 0.0833 NA Orlando,USA
LGW 2.265 2.194 2.263 -8 0.0008 EU London,UK
BOS 2.263 2.334 2.399 -19 -0.0567 NA Boston,USA
SYD 2.26 2.299 2.292 -13 -0.0143 SW Sydney,Australia
LAS 2.257 2.44 2.27 -12 -0.0058 NA LasVegas,USA
DOH 2.196 1.778 1.386 93 0.584 ME Doha,Qatar
MNL 2.181 2.09 1.863 15 0.1709 AS Manila,Philippines
IAD 2.152 2.452 2.399 -23 -0.1027 NA Washington,USA
BCN 2.135 2.187 1.881 8 0.135 EU Barcelona,Spain
CTU 2.124 1.526 1.258 131 0.6887 AS Chengdu,China
DTW 2.092 2.274 2.321 -22 -0.0985 NA Detroit,USA
YUL 2.091 2.108 2.042 -6 0.0238 NA Montreal,Canada
MAN 2.082 1.891 1.934 -1 0.0764 EU Manchester,UK
TPE 2.081 1.864 1.708 23 0.218 AS Taipei,China
BRU 2.07 2.166 1.77 18 0.1696 EU Brussels,Belgium
FLL 2.061 1.956 1.7 26 0.2126 NA FortLauderdale,USA
HND 2.049 1.882 1.449 64 0.4141 AS Tokyo,Japan
PHX 2.037 2.115 2.086 -13 -0.0236 NA Phoenix,USA
CLT 2.036 1.965 1.942 -9 0.0484 NA Charlotte,USA
DEL 2.021 1.888 1.696 24 0.1916 AS Delhi,India
MXP 2.014 2.02 2.116 -16 -0.0482 EU Milan,Italy
YVR 2.009 1.929 2.03 -13 -0.0103 NA Vancouver,Canada
CGK 2.005 2.077 1.703 17 0.1773 AS Jakarta,Indonesia