Just checked my ltcmine account. I leave one card mining 24/7 at ltcmine.ru which is pps

27.05.2013, 17:00:01    0.01649037    0.00001651
27.05.2013, 16:00:01    0.03187081    0.00003190
27.05.2013, 14:00:01    0.01458763    0.00001460
27.05.2013, 13:00:01    0.01569756    0.00001571
27.05.2013, 12:00:01    0.01490476    0.00001492

Looks like I didn't get paid for 15:00 until 16:00. So this would have been what 2-3 hours ago? I've actually never seen this happen, but I'm definitely not missing any ltc.