Thai Airways are currently using the Boeing 777-200 for the Bangkok-Johannesburg service (Flight TG991).
Thai airways International flies from Bangkok to Auckland in a 777-200ER with 292 seats for its 12 hour journey
Thai Airways use the Airbus A380-800 for flights between London (LHR) and Bangkok (BKK).The Boeing 787-8 Dreamliner is used for flights between Bangkok (BKK) and Perth (PER).
9hr 10min Melbourne (MEL) to Bangkok (BKK) by a nonstop flight operated by Thai Airways.
ten hours
12 hours 45mins
2hr 05min Kuala Lumpur (KUL) to Bangkok (BKK) by a nonstop flight operated by Malaysia Airlines or Thai Airways.
10hr 40min to 10hr 45min Zurich (ZRH) to Bangkok (BKK) by a nonstop flight operated by Swiss International Airlines or Thai Airways.
3hr 15min to 3hr 20min KTM to BKK by a nonstop flight operated by Royal Nepal Airlines or Thai Airways.
321 km - about 6 hours 3 mins Note: you must take a ferry part of the way.
Approximately 2 hours and 45 minutes. In addition cater for the fact that Manila time is one hour ahead of Bangkok
Thai Airways Company was created in 1947.
Thai Airways Company ended in 1988.