Keenster:

Years ago, DAL used to tanker fuel from one state/city to another based on the difference in fuel costs, SUPPOSEDLY saving a bunch of money...FWIW.

Since you're on the 747, I'm guessing that DAL is trying to learn the details of your aircraft and how it relates to the current flight-planning system. Since it's still early in the process, probably better to carry too much fuel, where only the crew and dispatch/planners see the result than fuel stop in ANC or HNL and EVERYBODY sees it, IMMHO;-)