DFW --> OGG flights are departing out of A...for now. However, you could depart out of A, C, or D. You won't really know until it gets much closer to your departure date, and even then it could change at the last minute. However, DFW has Skylink airside...a two directional train system that can take you to any other terminal in 8 or 9 minutes, so it shouldn't be a problem.