The phone # at Delta in Denver is 303 317 0151
The phone # for customs in Denver is 303 361 0712
Be sure to bring an ID. They will need it. They will also charge you a $10 terminal fee when you are picking up your boat.
After you pick up your paperwork at Delta you will need to go to customs if they did not clear your shipment on the phone.
To get to the Delta place follow the signs to Air Cargo.
If you are told you need to fill out a form 3461 click here to see what this form looks like.