Answer
The answer is three. Niki Lauda, the legendary Formula One driver, also established and operated three airlines throughout his career. His first venture, Lauda Air, was founded in 1979 and later became part of Austrian Airlines. Additionally, Lauda launched two low-cost carriers: Lauda Air Italy in 2004 and Laudamotion in 2018, which merged with Ryanair in 2020.