From THAI corporate HQ (google translated):

”Thai Airways adds flights to support travel during the Songkran Festival 2024.

Thai Airways International Public Company Limited adds flights to domestic routes. Supports travel needs and facilitates passengers during the Songkran festival which has several long holidays in a row. By adding 4 flights to and from Chiang Mai and 4 flights to Phuket between 12-16 April 2024 as follows:

1. Round-trip flight, route Bangkok-Chiang Mai.

12 and 13 April 2024

-Flight TG8730 route Bangkok-Chiang Mai

-Flight TG8731 route Chiang Mai-Bangkok

15 and 16 April 2024

-Flight TG8732 route Bangkok-Chiang Mai

-Flight TG8733 route Chiang Mai-Bangkok

which when combined with flights according to the normal flight schedule This will make Thai Airways have 39 flights to Chiang Mai.

2. Round-trip flight, route Bangkok-Phuket

12 and 13 April 2024

-Flight TG8787 route Bangkok-Phuket

-Flight TG8788 route Phuket-Bangkok

15 and 16 April 2024

-Flight TG8789 route Bangkok- Phuket

-Flight TG8790 route Phuket-Bangkok

which when combined with flights according to the normal flight schedule This will make Thai Airways have 67 flights to Phuket.

Passengers can ask for more information. Flight schedule details Reserve seats and issue tickets at the website thaiairways.com Thai Airways Sales Office and distributors nationwide or THAI Contact Center, call 0-2356-1111 every day (24 hours).”