Posted in NY Post 2 Southwest Airlines planes narrowly avoided midair collision at Nashville airport after air traffic control mishap April 21, 2026 Location data from Flightradar24 showed the planes may have flown as close as 500 feet apart at one point. https://nypost.com/2026/04/20/us-news/2-southwest-airlines-planes-narrowly-avoided-midair-collision-at-nashville-airport-after-air-traffic-control-mishap/