The airline is considering making changes to its flight routes and schedules to increase revenue, the report added, citing the transcript of a video message to employees by Chief Operating Officer Andrew Watterson. Southwest did not immediately respond to a Reuters request for comment. Earlier this week, Reuters reported that Elliott, which owns 10% of Southwest's common shares, told one of the company's top unions it still wants to replace CEO Robert Jordan, even after the carrier pledged to shake up its board.