This story is available exclusively to Business Insider subscribers. The best Delta customers can hope for is a refund. AdvertisementCompensation policies for cancellations and delays are in the fine print of contracts between airlines and customers buying tickets. For airline customers in the US, Green recommended keeping receipts for tickets, cabs to connecting flights, and other expenses that Delta may reimburse for rebooked flights. Ordinary airline customers, he said, ought to consult their travel insurance policies.

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