I presume a combination of ATC delays and weather issues and aircraft rotations happened overnight. Most European flights departed two to three hours late. The first London flight CX 251 made it out almost on time but the rest of European banks were delayed. US flights were mostly on time but for CX 918, they would have missed both LAX and SFO flights but YVR was delayed till 5am, so they would be fine. Most redeye to Japan and Singapore were delayed too.
This morning the weather cleared out but first bank of flight still ran a bit late, but nothing too crazy. Hopefully things will smooth out.
It has been a very rainy Spring so far in Hong Kong.
Carfield