Below you can see recent arrival and departure times for Bangkok Airways flights to and from Trat Airport and check how often they have been on time or delayed recently.
Any long delays will be usually be due to bad weather during the low season. But also note that during the low season, the airline often cancels one of the flights in each direction, usually PG301 and PG302.
The flight status below is updated in real time. It appears that there are a lot of flights between Bangkok and Trat but these are all codeshares with the Bangkok Airways flights. The other airlines that you see, for example, Eva, Etihad, Emirates, KLM etc don’t fly to Trat themselves. 🙂