an Historic day for United and Continental Airlines.

On November 30Th United Airlines and Continental Airlines will Finally be under one operators certificate, in other words the merger between the 2 airlines will be complete at least on Paper [ a ways to go to merging cultures, union and operating procedures ] the call sign which is the Airline code in front of the Flight number and the sign Pilots will use as an identifier with Air Traffic Control will become UAL for both Airlines.