From the WSJ:

BUSINESS EARNINGS
Delta to Trim Flights as Fuel Prices Rise
Higher costs are weighing on airlines after a record stretch of profits
By Alison Sider
Updated July 12, 2018 9:02 a.m. ET
Delta Air Lines Inc. said higher fuel costs are cutting into profit even as demand for air travel grows.

Delta beat earnings forecasts on Thursday as record revenue helped offset a $578 million higher fuel bill than in the second quarter of last year. But the No. 2 U.S. carrier by traffic said those rising fuel costs will weigh on profit for the rest of this year. Delta said its fuel bill in 2018 would be $2 billion higher than last year.

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