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://lacdmhowr.powerappsportals.us/forums/support-forum/bcc1db88-12a5-ef11-b542-001dd8097a1a