European jets strapped by fuel costs; Lufthansa CityLine in spotlight as a Lufthansa subsidiary navigating Europe's crowded routes. Small, Munich-based: hub @MUC, ops for Lufthansa.
European airlines are shifting routes and cancelling flights due to a looming jet fuel shortage caused by the ongoing Iran war and Strait of Hormuz closure. The International Energy Agency warns Europe has about six weeks of fuel left, risking widespread disruptions this summer.