Originally Posted by
godbreath
I tried before the 24 hour check in and I was still unable to change my seats online/app/calling in. UA and TK are both pointing fingers at each other and I have no idea what is wrong.
It's possibly a UA <-> TK synchronization issue then.
Both airlines' systems do not coordinate as we see cases such as United MileagePlus Business Class award tickets on TK metal receiving no baggage allowance.