EXHIBIT 2.1 January 9, 2001 Mr. Robert L. Johnson D.C. Air, LLC 1900 W Place NE Washington, DC 20018-1211 US Airways Group, Inc. 2345 Crystal Drive Arlington, Virginia 22227 Gentlemen: Reference is made to that certain Memorandum of Understanding,...Memorandum of Understanding • January 10th, 2001 • Us Airways Inc • Air transportation, scheduled
