What’s the definition of an ultra long-haul (ULH) flight? It can best be described as a nonstop flight taking over 16 hours.
It was two South East Asian carriers, namely Thai Airways and Singapore Airlines (SIA), which started the ball rolling back in 2004. Both of their nations suffer a geographic disadvantage compared to the likes of Hong Kong because Bangkok and Singapore lie that much farther from North America.
Thai Airways and