According to AirlineRoute, as per the 11FEB13 GDS timetable and inventory display, Thailand carrier Thai Airways International (TG) has opened reservation for its planned added 4th weekly Bangkok – Johannesburg service, due to start from 31MAR13. New flight operates on Fridays.
Thai(TG): Bangkok - Johannesburg
-Effective 31MAR13
- TG991 BKK0115 – 0730JNB 777 1356
- TG992 JNB1340 – 0555+1BKK 777 1356
Source [AirlineRoute]
Thai resumed services between Bangkok and Johannesburg, in late March 2010, just over a year after it originally scrapped the flight.