Hi guys, sorry if this was asked before!

With regards to the pcr test. When they ask for flight number, which one do I enter? I am flying from Ireland, but I fly to London, Qatar then Bangkok. So.., do I just enter my flight number from country of origin(Ireland)?

Also I am flying on the morning of the 19th. I was going to get my pcr test done on the 17th and hopefully get my results next day. They said next day results, but I am a bit worried I might be leaving it a bit tight, with regards results. Just in case things get delayed! Would the 16th be a better option for doing pcr?

Any help and suggestions appreciated!