Sicily has never been an easy island to reach in comfort, and Palermo remains one of those Mediterranean cities where the routing matters as much as the seat. There's no nonstop option here—no carrier flies business class from Atlanta to Palermo direct—so the real decision is which European gateway to route through. Delta's own metal gets you across the Atlantic via Rome or Amsterdam depending on seasonal scheduling, with Delta One suites offering the sliding door privacy that's become the domestic standard, while a Lufthansa itinerary through Frankfurt or Munich opens the door to the airline's newer Allegris business class on select long-haul aircraft, a meaningful upgrade if you can secure it on the transatlantic leg. Alitalia's successor, ITA Airways (still coded AZ), threads through Rome Fiumicino with its A350 business cabin, and Rome-Palermo is a well-timed short hop that rarely exceeds ninety minutes, making it the cleanest connection of the three.
My own preference after several runs on this route is routing through Rome rather than Frankfurt or Amsterdam whenever the fare structure allows it—Fiumicino's connections to Palermo run more frequently and absorb delays better than the tighter Munich or Amsterdam banks, where a late arrival from Atlanta can mean a scramble across a crowded terminal. If you're connecting through Frankfurt, build in extra buffer time; that hub's business-to-business transfer, while efficient, gets congested during the midday European bank of arrivals. One tip most travelers miss: flying into Palermo on the earlier Rome rotation, rather than the evening one, gets you into the city before the airport's single taxi rank backs up with tour groups off the ferries.
Deal-hunters should target April, May, September, and October, when Sicily's shoulder-season light is arguably better than August's crush anyway, and fares across all three carriers tend to soften as summer demand fades. Given how much these itineraries fluctuate week to week between Delta, Lufthansa, and ITA, setting up fare alerts is the smartest way to catch a business class fare drop before it disappears.