Originally Posted by brunos

According to FR24, AF782 on 16/12 ended up not cancelled but with a departure delayed by 4 hours at 21:31 (instead of 17:00). It landed at 9:08 (at gate probably 9:20 instead of 05:50). Three daily AF782s have been delayed by 3h or more in the past week.

My guess is that a longer delay was announced ahead of time, and that you preferred to change to another flight. Or something else happened.

Regarding who and what the airlines will pay is a good question.
Your ticket has been changed to a QR ticket, so QR should be responsible. That is amplified by the fact that the bags are to be routed on QR (assuming the PSL agent as correct info). Anyway, the last airline is always assumed to be responsible as per a common agreement among most airlines.

I fly QR a lot. It is a great airline in the skies, but a very bad one to forking out any compensation for such events. Claims just get unanswered except for an acknowledgement mail.