Thai Airways International on September 2, 2018 operated its last Boeing 737-400 revenue flight.
The last flight was flight TG 288 between Koh Samui and the Bangkok (BKK) base with HS-TDG.
The airline made this announcement on social media on September 3:
“Yesterday (September 2, 2018) the farewell ceremony for Thai’s Boeing 737-400 “The Classic” was held at Thai Maintenance Hangar, Suvarnabhumi Airport. The atmosphere there was brimming with impression and rejoice, which we hope…