I will be driving my rental car from Khasab, Oman and returning it at DXB before flying out on EK (terminal 3). I have never driven myself to this airport before and I'm just wondering if there are any tips/quirks to returning a rental car there.

My flight out of DXB is at 13:20. I've been told that I should reach Dubai at 11 AM if I leave Khasab at 6 AM. If anyone has any information to the contrary, please let me know! Thanks!