There was a bit of nudge via text message to get me to arrive 10 minutes before the scheduled departure time, but otherwise everything went well. The driver even dropped me off at my hotel. Of course, the driver drives like a maniac, especially overtaking without visibility, but hey, that's Vietnam for you.

The driver was great. He arrived on time, we arrived earlier than expected, and he dropped us off directly at our hotel. He speaks English as an added bonus.