My husband and I flew SW out of PHL to PDX on 10/3 and returned on 10/13. Both legs of the trip medical preboards were called, A's were called, then family preboards, B's and C's. Lines were not too bad at all and our flights were full both legs of the trip. We never get in line .........just sit and wait until the end of the A line is getting close and then get up to board.