Bomb and death threats on Frontier F9‑2539 prompt level‑4 'possible hijacking' response at ATL
Frontier Airlines flight F9‑2539 from Columbus to Atlanta was held on a remote taxiway after a passenger threatened to kill the person next to him and repeatedly claimed there was a bomb, prompting a level‑4 'possible hijacking' alert. Crew calmed the passenger after landing while law enforcement secured the scene.