I booked a flight through United Airlines which is operated by Lufthansa. Is it possible to select a seat in advance?
When I view my reservation on United.com and click "View / Change Seats", I get the message "Come back within 23 hours of departure to Check in and select a seat through Lufthansa".
I was also able to find the Lufthansa confirmation number, and can view the reservation on lufthansa.com, but the "Seat Reservations" tab doesn't show any seats, and doesn't appear to offer anything to click on.
I would much prefer not to wait until check-in time, since it's pretty important to me to get the kind of seat I want. I would be willing to pay a fee if necessary.
(Before you ask, no, I couldn't have booked directly with Lufthansa, due to the Fly America Act.)
The cabin is economy, the routes are SFO-FRA and FRA-DEN, and the booking class is L.