Should widespread fears materialize, flying could become a nerve-racking ordeal for passengers in the coming weeks and months. If, as a result of the Iran war and the ongoing blockade of the Strait of Hormuz , jet fuel begins to run short, significant disruptions to air traffic are likely. Both the International Air Transport Association (IATA) and the International Energy Agency (IEA) have recently issued stark warnings to that effect. The jet fuel shortage is already affecting air travelers: