The airline was established and started operations in 2003 as Danu Oro Transportas with assistance from its majority shareholder DAT Danish Air Transport.

The company had 60 employees as of February 2010[2] and is a member of the European Regions Airline Association.

[4][failed verification] The fleet is leased out and operate scheduled flights on behalf of DAT.

Following scheduled services was operated under DOT LT brand and codes.

[citation needed] As of November 2023, the DAT LT fleet consists of the following aircraft:[5][better source needed] The airline previously operated the following aircraft types (as of August 2017):[6]