This is the directed network of flights between US airports in 2010. Each edge represents a connection from one airport to another, and the weight of an edge shows the number of flights on that connection in the given direction, in 2010.



igraph object


Data downloaded from orginaly from


Jerome Kunegis. KONECT - The Koblenz Network Collection. In Proc. Int. Web Observatory Workshop, pages 1343-1350, 2013.

Tore Opsahl. Why anchorage is not (that) important: Binary ties and sample selection, 2011.