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<<<-------- Barry Wellman-------->>>
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> I would appreciate knowing if -- and how -- we could get a database of
> city-to-city airline routes -- to compare with other forms of networks.
> Amusingly, my first attempt at sending this query got bounced by Socnet's
> spam filter -- possibly because I added an airline joke. Have TSA and
> Socnet merged?

An old (1997) network of US airline connections (in Pajek format)
is at
It was available from The Bureau of Transportation Statistics.
Here are the original data

Vladimir Batagelj, University of Ljubljana, FMF, Department of Mathematics
  Jadranska 19, 1000 Ljubljana, Slovenia

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