Yeah, if you have the tracking just watch and wait patiently
Only reason I am posting is because my tracking was the same way, shipped on the 3rd of Jan, left HK on the 5th then there was no update for almost 2 weeks until it landed in NY then took a few days to get to me. But once it's been shipped it's probably weather, customs, slow post or all three.
Even though you ordered something from HK after and received it could just mean you paid more for shipping at one than the other. Not uncommon, neither is customs being slow