The most well-known and prominent airline with operations in over 50 countries is Delta Airlines, which is renowned for its efficiency and tenacity on a global scale. It has offices all over the world to make doing business easier, and the Delta Airlines Barcelona Airport office was established in Barcelona to better service clients and hold in-person meetings as needed.
www.livetravoairlines.com/delta-airlines/delta-airlines-barcelona-airport-office-in-spain/