As per the Delta Airlines carry-on pet policy or Delta dog carry-on policy, you will be allowed to bring one pet dog per ticketed passenger onboard as carry-on. However, your pet dog should be kept securely in the 18inches x 11inches x 11inches soft-sided kennel. In addition to this, the minimum age of your loving pet should be 10 weeks and 16 weeks for domestic and international travels, respectively. To get detailed information about the Delta pet policy, you can refer to the official website. You are advised to book a slot for your pet after reading the rules and restrictions of your specific departure and arrival countries.