I'm currently in a city stake in Utah, and three wards use our building. Our general meeting block starts at 11 am this year, 1 pm next year, and 9 am the following.
Bishopric - 7:30 am Sunday (except for Gen. and Stake Conferences, and when we have a Stake P/H meeting)
PEC or Ward Council - 8 am 'til 9 or 9:30 Sunday (except as above and on 5th Sundays)
Ward Council is only on 1st Sundays.
PEC with the RS Presidency is only on 3rd Sundays.
During the year that our block starts at 9 am, leadership meetings get bumped up 30 min. (7 am).
Youth and some member interviews as well as settings apart happen just before or just after the meeting block.
The Bishopric (no secretary or clerk) try to meet Wednesday nights to participate in MIA and/or visit those in need. (Not including the Exec. Secty. or Ward Clerk is a relatively recent innovation.)
Having long lived in more rural communities or areas with much lower concentrations of members, I've found that wards and branches tend to group Sunday leadership meetings close to their meeting block. Leadership meetings may be held less frequently. Some leadership meetings may also be scheduled for weeknights as well as at locations other than ward/branch buildings.
Since inception of the consolidated Sunday meeting block, leaders I've served with have persistently considered and implemented ways to minimize leadership travel and time requirements. Even so, my perspective is that these same leaders offer varied skills in efficiently and effectively planning, preparing, and implementing leadership meetings. The World Wide Leadership training that introduced the new handbooks, offered concepts and perspectives about such meetings that we could further benefit from by reviewing the presentations.