Yes you are allowed to carry on your own food to a Delta international flight.
Delta Airlines does offer flights to Newcastle. Delta offers flights to many locations nationally and internationally. It is a well respected airline.
As of now, Delta Airlines does not require proof of COVID-19 vaccination for domestic flights.
Food is served on Delta Airline international flights between Europe and the United States.
Delta's main hub is in Atlanta. Delta flights can arrive at all terminals.
Yes they do. On flights as longs as this it would be inhuman not to.
smoking
I have absolutely no idea :D
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 they are.
There are a few airlines that fly out of Omaha airport. American Airlines is a quality airline that flies out of Omaha airport. Delta flights is a quality airline that offers domestic traveling fares. US Airways offers affordable out of Omaha. United Airlines is also an airline that will fly out of Omaha.
Yes, checked baggage allowances for connecting flights with Delta Airlines are typically the same as for non-stop flights, but it's always best to check with the airline for specific details.
American Airlines has very inexpensive flights to Africa. Delta also is known for it's low cost service to Africa.