Simplify the following text for a Grade 9 native English-speaking person.
Original: In January 2006 , the airline began consolidating its operations under the US Airways brand , and all America West flights were branded as US Airways flights .
Simplified: The airline also runs the US Airways Shuttle , a brand which operates frequent flights between cities in the northeast part of the United States . Other companies operate short flights for US Airways , which are called US Airways Express .