Originally Posted by
buhuffer
can I ask a related question? I booked one trip via ua.com , with the first flight (codeshare) operated by Lufthansa airline, so which counter I should go for check in? united or Lufthansa? thanks
That's not very related, but...
You always check-in with the operating carrier of the next leg to be flown. So in your case, that'll be LH.