Airlines warned fuel prices were a growing threat, but it just became clear how terrible the situation has become DAL

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Delta Air Lines reported second-quarter 2018 profits of 1.025 billion on 11.775 billion in operating revenue.

Even though revenues are up, profits are actually 161 million lower than the same period in 2017.

Much of this can be attributed to the increase in fuel prices.

The increase in costs for airlines could be passed on to consumers.

The price of crude oil has skyrocketed more than 50 over the last year and the effects on the airline industry are expected to be profound.

Now we have a better idea of just how profound.See the rest of the story at Business InsiderNOW WATCH: Expanding Warren Buffett s value investing approach to the socially responsible sectorSee Also:United slammed with lawsuit by a woman who claims she was groped by a man 3 times during a flight and the airline did nothing to protect herThese are the 15 best airports in the worldDelta passengers are making money in a surprising way when the airline loses luggageSEE ALSO: Mysterious airline fees are costing passengers hundreds of dollars and no one knows what they go to pay for

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