I often see a flight between EDI and Greenland's Sodre-Stromfjord airport (Kangerlussuaq, SFJ). It tends to arrive later in the evening and leave first thing in the morning. The airline code is ZT which I believe is Titan airways (for example tomorrow morning's flight is ZT9111). I know they do cargo and passenger leases. But why Greenland from EDI on a (fairly) regular basis?

Any info would be appreciated here.

Cheers

BDABOY