PARIS (Reuters) - U.S. travel restrictions on passengers arriving from Europe's border-free Schengen area will affect passengers arriving on 6,747 flights over the next four weeks or 11% of all international flights, flight data provider OAG said.

Over 40% of the flights are with U.S. airlines. Delta Air Lines () and United Airlines () will be the most affected, followed by Germany's Lufthansa (), OAG said in a blog published on Thursday ( bit.ly/2vT1Fl8).

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