Last month we had 1:45pm ADR at BOG. Earliest they will let you past the check-in desk would be 1:40pm. It took us 5 minutes to get inside and 20 minutes to order at kiosks. Once we sat down it took 10-15 minutes for food to come out. If you pre-order, and you're in a hurry, you can probably be out in 45-60 minutes?
Note that FPs and ADR can overlap. No problem making 3rd FP after lunch for 2:30-3:30pm. Other option is to book all 3 FP before lunch (11am/12pm/1pm) then go to FP kiosk on way to BOG to get a 4th FP for something after lunch.