On the airline side, Qatar Airways' Qsuite is the standout for travelers who want maximum privacy on the long transatlantic leg, with sliding doors and quad configurations that let couples or families face each other — routing through Doha adds time but the onboard experience is hard to beat. British Airways' Club Suite, with its own door, is the most direct psychological match for travelers used to first-class privacy, and connects through London with reasonable schedule alignment to Bari. American Airlines' Flagship Business gives you Casper bedding and a strong domestic-to-international handoff if you're originating in Dallas anyway, connecting typically through Philadelphia or JFK to a European gateway. Lufthansa's newer Allegris suites, rolling out on select A350s, bring a noticeably upgraded seat over the airline's older business product, with a connection through Frankfurt or Munich. Turkish Airlines rounds things out with a lie-flat 1-2-1 seat and DO&CO catering that's consistently rated among the best in the industry, connecting through Istanbul with a lounge experience worth arriving early for.