Our website provides a free download of Delta Virtual Airlines 737 (FSX) 4.04. The program belongs to Development Tools. The actual developer of the free program is Delta Virtual Airlines.
From the developer:
Delta Virtual Airlines is unique by offering all of the benefits of being part of a virtual airline without the strict regulations. We understand this is supposed to be fun, not a second job. Therefore this software allow the pilots to fly any aircraft to and from any destination regardless of pilot rank.
You may want to check out more software, such as Delta Virtual Airlines A320 FS2004, PMDG 747-400/400F for FSX or Airline Tycoon, which might be similar to Delta Virtual Airlines 737 (FSX).