Per Bolack Travel - Effective today American & US Air will only allow changes to tickets up to departure time. Once a traveler has departed, changes to the return trip CAN NOT be made - a new ticket will have to be issued and there will be no credit for the cancelled part of the trip. If you have any questions, please contact Daniel or Al at Bolack Travel (800-258-1424). Susan Martin Diebold Election Systems 800-433-8683