Reward flight help!

I have been a watcher of the forum for a while but this is my first post.
I really need some advice re when mileage routes become available. I dont know if I have just struck lucky in the past but am having no joy getting upper class redemptions to Manchester/Vegas return next summer. I have rang and asked about different routes but nothing- even when it was showing as available on the website.
This might be the $64000 question but does anyone have any advice as to when the redemption flights get rolled out? Are they done in stages over months or have I already missed the boat? One rep on the phone told me they had all gone, another that the hadn't been released yet. I am a bit lost and so any advice would be appreciated. Or do I bite the bullet and pay the full price when I have miles to redeem?
Thanks in advance!
I really need some advice re when mileage routes become available. I dont know if I have just struck lucky in the past but am having no joy getting upper class redemptions to Manchester/Vegas return next summer. I have rang and asked about different routes but nothing- even when it was showing as available on the website.
This might be the $64000 question but does anyone have any advice as to when the redemption flights get rolled out? Are they done in stages over months or have I already missed the boat? One rep on the phone told me they had all gone, another that the hadn't been released yet. I am a bit lost and so any advice would be appreciated. Or do I bite the bullet and pay the full price when I have miles to redeem?
Thanks in advance!