Originally Posted by
PACKET
That is to do with the DEADLINE they are given, e.g. 2 days to find someone is not long enough.
But once you can arrange a time to both be online, 5 minutes, or 1 hour of playing doesn't matter. After agreeing a time to play I have not once had the experience where the person tells me they have only enough time for 2 games, often time is spent after playing friendly matches, chatting, etc.
With the rank reset the deadline is not changeable, the amount of time that a match will take can be varied.
The amount of time does matter. I regularly am on 5 minutes at a time, an hour is much harder to find. The fact it has not been said might be something to do with the fact noone casually says "huh, turns out this was a good amount of time, yep I'm in a rush now I'm glad there weren't anymore games cause otherwise I'd be late for this thing I'm in a rush for."
Often? How often is often? 1/20 times seems about right to me.