Hey guys. When I interviewed I brought in a sealed envelope with transcript from my undergrad institution and handed it to the adcom receptionist, which worked fine and there were no issues. I'm a US admit and my transcript said the date my degree was conferred so I can't speak to those whose transcripts don't include this info.
While I have no insider info, I've been in the process long enough to sincerely feel that the timing of your submission in a given round (seriously) has no bearing on the relative success of your application. My best guess is that the day after the deadline they do a quick meta-analysis of the round, see what they've got and go from there. The date, time, region, longitude or latitude has little influence over your candidacy as a business school student. Industry, gmat score, undergrad institution, gpa, work experience... those would probably be better indicators for them to segment their review.
Posted from my mobile device