Originally Posted by
amsNYC
I have taken Bangkok Airways a few times BKK to Siem Reap and can't say enough good things about them. Friendly/efficient staff, clean planes, always on time and terrific fares. NB planes load via stairs from the back so last row is best exiting at Siem Reap to be first in line for visa/immigration.
YMMV

I had no issues on my flights either. They fly a mix of Boeing 717s, Airbus 320s (I think), and ATR-72s. I had a 717 out and an ATR-72 coming back.