Originally Posted by
ernestnywang
No
The page you cited makes it quite clear.
Doesn't hurt to ask though
For example, two separated tickets in two OW carriers with different classes, say, hkg to doha in biz class via Qatarairways, arrive at 6am in Doha, then need to re check in BA for the doha-lhr at 8pm , can I get the lounge in doha please?