We flew out of STT last month on a Monday afternoon, what a Zoo! We didn't use the Red Cap Porters but sure wish we did, we arrived 2 plus hours prior to our departure but didn't have time to sit in the terminal once we made it through the gauntlet, we just went right to the plane boarding line. We saw many people using the Porters, they did make it through faster. I asked a porter what the fee was and I think it was $3 per bag. The porters are in uniform and easy to spot, just ask. But, as Tradewinds stated it really depends on how busy the airport is.

Good luck,

Tony