Delta Customers Lost Time, Money. How To File Claims, Complaints.Customers of Delta Air Lines can file complaints or claims to get reimbursed for delays, cancellations, or baggage problems. To accomplish this, go to the Delta website and fill out the online claim form, filling out all required fields and attaching receipts for any incurred costs. Report lost or damaged luggage online or at the airport within a day of the incident. Customers can also get in touch with Delta's customer support team by phone or through social media. Formal complaints can be raised through written letters or regulatory organizations for further settlement if the first responses are not suitable.
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