And UNBELIEVABLE at Bangkok Airport - looked for our gate which wasn't on our boarding pass as we were checking in two hours early to allow for traafic delays, (but didn't matter because they changed the gate anyway) looked for CM 12:25 - ah - there! Must be code-share or something. Little did I know how wrong I was.
So we went to the gate early which luckily wasn't far and sat fr many 10-15 minutes and I suspected the code-share agreement had gone quite far as the ground staff where in VietJet uniforms, and I remembered thinking why so many VJ vehiclhes were servicing what apparently a VJ plane.
Turns out Bangkok Airways and VJ have two flights departing at the same time to the same destination but they code-share with (one of which I have used) so when it was scrolling on the ONY info board I saw I thought it was for another airline and picked the wrong one.
Luckily we travelled early because we only just made it - but we did