On Minecraft 1.7.4 Multiplayer when players are warped into a world at once there is a brief period of lag while chunks wont load. During this period some players are kicked for flying because they "spawn" inside the chunks.
Server running version 1.6.4 does not have this issue at all. Only 1.7.4
Is this still a concern in the current Minecraft version? If so, please update the affected versions in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases. If this has been done, we can reopen the issue.
Keep in mind that the "Resolved"-Status on this ticket just means "Answered", and that we are waiting for further information on whether this issue still exists or not. We will reopen it as soon as the requested information has been delivered.