American Airlines, world's largest airline and member of Oneworld alliance, will upgrade its service to Dubrovnik to 7 weekly rotations during the 2020 summer season. The service was introduced in S2019 with three weekly rotations and has been marked as success. Photo 1. American Airlines Boeing 767-300. Source: Flickr . Under Creative Commons license. Service will start operating from Philadelphia to Dubrovnik on June 6th. Incoming flight will depart Philadelphia at 18:20 and land in Dubrovnik the following day at 09:30. The return flight will depart Dubrovnik at 11:40 and land in Philadelphia the same day at 16:00. Flights will be operated by American Airlines Boeing 767-300. Between October 6th and October 24th, service will run three times a week, each Monday, Wednesday and Saturday from Dubrovnik and Tuesday, Friday and Sunday from Philadelphia. Source: Avioradar.hr