With fuel costs soaring, the parent company of United Airlines said Monday that it is curtailing growth plans for 2011 and cutting its domestic flying more deeply than it had planned.

United Continental Holdings Inc. said that its system-wide capacity would remain flat for the year, and that it would curb capacity by offering fewer flights on some routes, exiting less-profitable routes and postponing the start of some new flights, such as planned service from Newark, N.J., to Cairo  slated to launch this spring. Get the full story »