After the service, I took a look at the fluids in the car. There is a tank marked coolant with F and L marks on it, and the the level of fluid in this tank was (significantly) below the L mark - it looks like there are about two cups total at the very bottom.
This means that you can book a round-trip ticket to Hawaii from anywhere Delta flies in the US, Canada, Mexico, Puerto Rico, or US Virgin Islands using Korean Air miles for only 25,000 miles in coach or 45,000 miles in Business Class.
On Friday, Atlanta-based Delta (NYSE: DAL) released more information on the change, demonstrating just how many points fliers need to accumulate to fly for free. Deltaâs SkyMiles charts say the minimum number of miles required for a free U.S. trip is 25,000. Mile requirements have been lowered on certain flights in both business and first class. One-way award tickets will start as low as 12,500 miles plus taxes and fees.