Originally Posted by
RobOnLI
I'm not sure what OP means by "waitlist" for business on LHR-IST. You can't be waitlisted on an award segment on TK to my knowledge. So I'm glad the OP pushed UA to force the "waitlist" immediately while still at LAX. Otherwise, I'm pretty sure OP's family would have wound up in coach on that segment.
242 and 243 were the sequence numbers for that flight for OP's family. Someone on there should/would have been printed "See Agent" or something like that to get seat assignments in LHR.
-RM
sorry for the confusion it was the lax-lhr (ua) that would have been waitlisted.