<<...Fletch--not sure when you last cleared customs at Miami...>>

My last pass through I&C at MIA was on a Friday (around 6:00PM) in mid-September - the line at the TSA Checkpoint just to left of the Customs Hall was "out the door" and even though there was a TSA Pre-Check sign at the entrance the attendant said it was closed (and feigned ignorance of other locations). The so called "red card" line was only slightly shorter - had to be close to 50 or 75 people in front of us. We went to the TSA Checkpoint at Terminal E (took us less than 3 or 4 minutes) and were the only ones there besides the TSA officers. Went through in a flash. Have done this numerous times before with similar results.

Glad you had a better experience. Making an International Connection at MIA can sometimes be a nightmare.