LOS ANGELES, Nov. 20, 2024 /PRNewswire/ -- The Schall Law Firm, a national shareholder rights litigation firm, announces that it is investigating claims on behalf of investors in United Airlines Holdings, Inc. ("United Airlines" or "the Company") (NASDAQ: UAL) for potential breaches of fiduciary duty on the part of its directors and management.The investigation focuses on determining if the United Airlines board breached its fiduciary duties to shareholders.If you are a shareholder, click here to participat ...