Chinese airlines have adopted measures to reduce fuel costs due to the surge in oil prices resulting from the Middle East conflict, including adding flights over Russian airspace.

From controlling the weight of aircraft to sending more flights to Europe via Russian airspace, Chinese airlines have adopted a range of measures in response to the surge in oil prices resulting from the Middle East conflict that threatens to crimp their razor-thin margins. A number of carriers, including China Eastern Airlines, have been enforcing more precise and complex cost management measures in recent weeks to save fuel, according to industry insiders. They include stricter load and weight...