You can't see them online as well.
Originally Posted by
NYTA
Flying LAS-IAH-FRA today and really wanted a window for the overnight. OLCI didn't work on either UA or LH websites. At the LAS checkin I was assigned a middle seat and told by the checkin agent that they can't change my seat...on the LH metal UA Codeshare from IAH-FRA. At IAH I went outside security to get a window seat from the LH checkin desk but I think I'll be flying UA/LH a lot less in the future if this is really the system. Can it really be this bad?