Hmm, althouygh it appears that part of your Leptotes has died off, it looks like the rest of it has new growth and it looks generally healthy to me. I dont' think you have much cause for concern. The Leptotes is an intermediate grower, medium light levels - I've flowered it under ordinary fluorescent lights. You seem to be giving it enough water, the growths dont' look shriveled. Sometimes orchids will skip a flowering cycle when you bring them home. With the cattleya (it's no longe a sophronitis) you might consider giving it a bit more light. Other than that about all I can recommend is a little more patience.
