Just thought I'd chime in with my current timeline, maybe it might help someone. I'm a US citizen applicant, applied Outland from within Canada. I'm from California and currently I'm in Ontario.
App Received: Dec 7th, 2017
AOR1: Feb 2nd, 2018
Sched. A Req: Feb 2nd, 2018
PCC Req: Did not receive one, included FBI check upfront with my application
Med Req: Feb 23rd, 2018
Med Done: Mar 5th, 2018
Med Passed: Mar 9th, 2018
AOR2: Still nothing, might just never get it
Background Check in progress: Mar 25th, 2018
Hoping its not long now until I get DM and PPR... I'd love to visit home before the summer heat sets in.