Druk Air is one of the smallest flag carriers in the world. It owns 3 BAe146 and flies only to Paro (Bhutan), Delhi, Bangkok, KTM and DAC (not even on a daily basis).
It is by decree the only way to get into or out of Bhutan -you must fly with them either to enter the country or to leave it-.
Since there is no other airline flying to Bhutan, I think it is one of the most exotic airlines in the world.
Anyone want to share their experiences with Druk Air? Anyone else has further information about the airline (further, I mean, compared to their website). I would be looking forward to reading them.