There are two parts to that question.
The first part is on how we collect and measure processing times. We do it in a number of ways.
We scan boarding passes as passengers arrive in the queue. We do that at the busiest 15 airports, which represent over 90% of passenger traffic. We use that information collected between the first scan and the second scan to derive a wait time. We do that 24-7 at those airports. We have one of the most accurate wait time measurement systems in the world, I would argue, because of that checking of the boarding pass.
In terms of processing on the line—