Either Sun Feb 14 or Mon Feb 15? We will only be going to DCA and plan to get there before rope drop, but won't have early entry . I realize it's a holiday weekend and will be crowded, but was thinking crowds might skew towards DL on certain days.
Extra Magic Hour is at DCA both Sunday and Monday so not sure if either day will be better than the other. Park hours and entertainment schedules for both parks are also identical on both days so there's no deciding factor there.
I generally agree with jammyjam25. Given that both Sun and Mon are DCA's EMH morning, I don't think you'll really see a huge difference in terms of the crowds. I would just go with whichever day works better for your schedule.