<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by kempis:
KL in SAS Reservation system means that the waitlist has been turned into a confirmed seat. I would guess it could mean the same thing in UAs reservation system.</font>
Interesting, in UL and most of the rest of the world's systems, I have only seen:
HL = waitlisted
HK = confirmed
At least I learned something today.