Less than 24 hours before the FAA cancels hundreds of flights across the U.S. to ease the strain on air traffic controllers from the government shutdown, Rachel Scott has details on what travelers should expect at the 40 airports impacted by the cuts; Will Reeve reports on the tragic death of Dallas Cowboys defensive end Marshawn Kneeland, who authorities say led police on a chase before he was found dead at age 24; Matt Rivers reports on the haunting new dashcam video that sheds new clues on the final moments before a UPS plane crashed in Louisville shortly after takeoff, killing at least 13 people; David Muir speaks with his ABC News 20/20 co-anchor Deborah Roberts to discuss her new book, ‘Sisters Loved and Treasured: Stories of Unbreakable Bonds;’ and more on tonight’s broadcast of World News Tonight with David Muir.

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