On Friday (Nov. 9) I was on the 8 am United flight to Denver. I arrived just after 6:00. The elite check-in line was short, so I was checked in less than 5 minutes.

But the security line for the D and N gates snaked around from next to the D/N security down to the security checkpoint for the C/D gates and back down to the D/N checkpoint. The line for the C/D gates also started next to the D/N security checkpoint. The lines were not marked, so it was difficult to figure out which line to get in and there were only a couple of airport employees attempting to coordinate the operation, so I couldn't find them to ask them.

FWIW, one of the Alaska Airlines check-in lines (I don't know which one) went around the counter by the United check-in and back into the hall where the security lines were. It went to almost the C security checkpoint.

One of the airport security guys said that 1 out of 3 people were setting off the metal detectors and that is why it was taking so long.