United Continental Holdings, Inc. is the holding company of the airline companies United Air Lines and Continental Airlines. Net sales break down by activity as follows:
- passenger transportation (91.6%);
- freight and mail transportation (2.7%);
- other (5.7%): aircraft maintenance and repair services, equipment maintenance, personnel training, etc.
At the end of 2019, the group had a fleet of 1,358 aircrafts...