A judge on Wednesday approved a settlement resolving U.S. regulators' opposition to a merger between AMR, parent company of American Airlines, and US Airways, allowing AMR to exit bankruptcy and close on a tie-up creating the world's largest carrier.
The Department of Justice had challenged the merger, which was to serve as the basis for AMR's plan to pay back creditors and exit bankruptcy.
(Read more: Airlines losing $78/minute today?)
The DOJ's antitrust watchdog had said the plan could impede competition and drive up ticket prices. The sides settled earlier this month, with the airlines agreeing to divest some takeoff and landing rights at major airports.