For Delta refundable flights, passengers have the flexibility to cancel without penalty up to 24 hours before the scheduled departure (Cancel & Refund 1-833-460-1838). If you need to cancel your booking within this time frame and require assistance, you can reach out to Delta’s customer service at (Cancel & Refund 1-833-460-1838). https://idashelteringla.com/en-US/forums/support-forum/bcab9c5f-20a5-ef11-95f6-000d3a76263f