United Airlines CEO Oscar Munoz—speaking at an Economic Club of Washington, D.C. event June 7—gave no indication the Chicago-based carrier would retreat from its 2018 and longer-range earnings guidance. In comments to reporters, Munoz described rising fuel prices as a “natural phenomenon of history … as far as United is concerned we have a lot of revenue initiatives, network initiatives and efficiency initiatives that are coming to flight pretty nicely, which is why ...