Earlier on February 25, at approximately 8:50 AM local time, Southwest Flight 2504 was making its approach to land at Chicago Midway International Airport after a journey from Omaha, Nebraska.
At the same time, a private jet—a Bombardier Challenger 350—was on the runway preparing for takeoff, heading toward Knoxville, Tennessee, according to FlightRadar24.
Warning: The footage depicts a close call between two aircraft, which some viewers may find distressing.