https://www.devex.com/people/what-is-the-24-hour-rule-for-lufthansa-2257728https://www.devex.com/people/what-is-the-24-hour-rule-for-lufthansa-2257728https://www.devex.com/people/what-is-the-24-hour-rule-for-lufthansa-2257728https://www.devex.com/people/what-is-the-24-hour-rule-for-lufthansa-2257728