An American Airlines passenger paid for 3 seats to fly with his beloved Great Dane dog from LA to New York

• Gabriel Bogner, a startup founder, took his pet Great Dane on a flight from LA to New York.
• The 27-year-old's dog was deemed too large to fit in a crate in the cargo hold.
• He said passengers were "gobsmacked" at the sight of Darwin on the flight, per The New York Post.

A startup founder surprised passengers when he boarded an American Airlines flight from Los Angeles to New York with his Great Dane dog, the New York Post reported.

Gabriel Bogner paid for a row of seats on the flight for himself and his dog, Darwin, the outlet reported.

He took the 140-pound Great Dane on the flight when he moved from LA to Brooklyn after he said she was deemed too big to fit into the airline's cargo crate, per the outlet.