Quote:
Originally Posted by acottawa
The airlines certainly have that data.
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The plural here is key, and also the problem.
True city-pair demand is gauged by airlines using commercial aggregators like Sabre Intelligence, Cirium, OAG, which combine data from sources like IATA, ARC in the US, Global Distribution Systems (Sabre, Amadeus). A person driving from YOW to Yzz for a flight to wherever will show as demand originating in Yzz.
Airline data (addresses, credit cards, postal codes) can be scrubbed to gauge true demand origin only for passengers they carry. It doesn’t provide the holistic city-pair demand picture by any industry standard method for everyone to use.