Delta and Northwest are set to Merge

Delta Airlines and Northwest Airlines are set to merge and become the world's biggest airline. The talks have been on for quite some time now, and it looked like pilot seniority issues could have been a stumbling block, but it seems that whatever issues did exist, the merge will happen.

Delta Airlines and Northwest Airlines are poised to become the biggest airline in the world.
And a look at all of the different merger possibilities.

Note that this deal does still have to pass antitrust officials.