Claim: Heathrow Airport is used by people getting off one plane and on another.
Fact-check: Is Heathrow just for high flyers? - Full Fact
Verdict: an estimated 34% of flyers leaving heathrow are on a connecting flight, far higher than any other london or uk airport included in the survey.
Organisation: Full Fact
Author: Abbas Panjwani
Date published: 2018-06-29T00:00:00