No they do not. They are part of different alliances.
Delta has a miles pooling/usage with all Skyteam alliance members and in particular KLM/Air France, Alitalia and Virgin Atlantic.
One may pay for airline tickets when they redeem their American Express Delta Airlines miles. One may also book complete trips with their miles. If one uses a American Express Delta Airlines credit card, their miles will be increased.
American Airlines AAdvantage is a customer loyalty program where you earn miles that are similar to delta sky miles by flying with American Airlines.
760 miles (Delta Airlines)
To get Delta Airline Miles, they must first, obviously, fly with Delta Airlines. Then they can redeem their Airline Miles at any Delta Airlines office. They will provide them with the tickets to then fly using the previous credits recieved.
Yes but only by code share operated by KLM etc.
Delta Airlines is one airline which recently merged with Northwest Airlines.
No Delta does not own Vietnam airlines.
Yes, blankets are provided on Delta Airlines.
It has stopped trying to get market share at all costs realizing this is a bad business model.
Delta Airlines is headquartered in Atlanta Georgia.
Delta does not currently issue dividends to its shareholders, so an investor's return is only in the rising or falling of the share price over time.
In terms of miles flown, United Airlines is tops as of 2011. Two other American airlines, Delta and American, round out the top three. In terms of passengers, Delta edges out United for the top spot.