For ME:
First Time Application or Renewal: 2nd Renewal
-Date Applied: June 12
-Date Approved (list Pending if Pending): Nov 29 (no interview required)
-Changed "Home Airport" or moved out of state since last application?: No
-Traveled to non-Visa Waiver Country* since last renewal?: Yes - Australia, UK and EU
Stats for my daughter:
2nd Renewal
Date applied: June 12
Date approved: June 18 (no interview required)
Changed home airport or moved since last: Yes
Travel to non-visa waiver countries: Yes - Australia, EU
Stats for my husband:
2nd Renewal
Date applied: March 20
Date approved: March 23 (no interview required)
Changed home airport or moved since last: Yes
Travel to non-visa waiver countries: Yes - Australia, EU, UK, Taiwan, S. Korea, Singapore, Japan
All our renewals were processed thru IAD
The pattern I have observed is that in families of 3+ people, one of them ends up in the long queue.