Take the train. It’s fast, it’s direct, and it doesn’t involve sitting in traffic. The Gatway Express is the VIP lane; Thameslink is the savvy traveler’s choice.
Either way, you’ll be at the bar in departures before you know it. Cheers to that. And hey, if you see someone laughing at their own article on the train? That’s probably me. Wave. We’ll share a pretzel.