No, you cannot check your baggage because they want you to stay in your seat for your safety. Trust me they will not let you.
No you do not.
As long as your baggage is not your pet, you may be o.k. They have once again showed their lack of compassion for animals as precious cargo. Check out the latest news about this.
Purchasing baggage tickets to check your baggage with Delta airlines can be done through Delta's website. Delta's website has information about check-in options including how to pay for baggage fees. It's best to be very cautious of other websites that would try to sell baggage tickets.
Try arriving flights baggage handling. or Call Delta.
The first bag is free when traveling with Delta internationally. Whether you get a 2nd bag for free or not depends on what countries you are flying to and from. It also depends on whether you are a medallion or flying in a premium cabin. Delta American Express Cards do not get you a 2nd bag on international flights. Those cards only affect US domestic flights. All the rules are on Delta's website at the related link.
Yes you are allowed to carry on your own food to a Delta international flight.
There are multiple flights including Delta, American, LAN. All are non-stops flights. Check them out.
On many flights they do. Atlanta to Honolulu, San Francisco, Seattle and LAX all do for example.
Delta Airlines does offer flights to Newcastle. Delta offers flights to many locations nationally and internationally. It is a well respected airline.
Delta Montreal is not an actual flight company. Delta is though. Delta offers flights internationally to countries such as Haiti, Madagascar, and Suriname.
Laptop bags are allowed as carry-on baggage for flights. I know this information first handedly as I worked in customer service for Delta Airlines for 4 years.
If you have one ticket all the way through, and your baggage is checked in to go to your final destination, then you won't have to go through security or check-in again, but there is passport control, as it's your first stop in the USA, but you'll go through the domestic transit channel. If it's a separate ticket, then you have to go through baggage claim, and transfer to the other terminal and check in again.