Originally Posted by
Dyno
For ThaiAirways seat selection, use the Thai app on iPad, with their PNR; seat selection is not working on computer. On LH, seat selection is working with a computer, but also, you have to use the good PNR (Not the United PNR)
Worked for me this morning on my computer. Got a message saying "Cannot update via this site: contact Thai Airways office" but I've subsequently checked it via CheckMyTrip and my change has taken effect