I am in Eastern time zone. I called at 8:00, and the lines were not open yet. I called back at 8:01. After using the automated phone system, I was told my wait time was greater than 15 minutes at 8:06 am. I am still holding.
I was about this same time frame for my booking alsoCalled right at 8:00 EST. Was told expected wait time was eight minutes. Still on hold.
Edit to add:
Finished bookings by 8:40.
Mine was also 1 hr 18 min, got to speak to a CM, gave him the dates to changeStill holding an hour and 18 min. call dropped first time around.