A Delta Pilot is Reportedly Suing the Airline for $1 Billion, Accusing it of Stealing the Idea for an App He Developed Posted byKate Duffy July 15, 2021 Leave a comment on A Delta Pilot is Reportedly Suing the Airline for $1 Billion, Accusing it of Stealing the Idea for an App He Developed He said he spent $100,000 to build the app, which he pitched to Delta, Bloomberg reported.