My update:
Inland spousal sponsorship application mailed Jan 27, 2019
Application received Jan 31, 2019
AOR March 19, 2019
E-mail confirming that OWP is approved March 28, 2019 (says it will come in the mail in 6 weeks)
OWP received in the mail April 4, 2019.
Medical request April 8, 2019...