Sicily's baroque splendor doesn't make itinerary planning easy from the Midwest, and there's no way around it: business class from Omaha to Catania requires at least one, often two, connections, with total journey times stretching well beyond the advertised 11.5 hours of actual flying once you factor in layovers. The most reliable routing I've found funnels through Delta's Minneapolis or Detroit hubs to Amsterdam or Paris, then onward via a partner, or alternatively through Atlanta to Rome before catching an ITA Airways connection down to Catania. Lufthansa's Frankfurt or Munich hubs offer another dependable path, particularly appealing now that Lufthansa has begun rolling out its Allegris business class on select long-haul aircraft, featuring suites with doors on certain configurations — though you'll want to confirm aircraft type before booking, as older business class cabins still fly many transatlantic routes.
ITA Airways deserves special mention for the final leg into Sicily, since they operate the most frequent direct flights from Rome Fiumicino to Catania, and their short-haul business product, while not lie-flat, includes blocked middle seats and priority everything — a pleasant enough coda after a long transatlantic haul. My insider tip: if connecting through Rome, build in at least two hours, because Fiumicino's passport control for non-Schengen arrivals can bottleneck badly in peak summer months, and ITA's domestic gates are often a healthy walk from international arrivals. I've also found that flying into Catania rather than out tends to price more favorably on award charts and revenue fares alike, so consider structuring an open-jaw itinerary with a departure from Palermo or Naples instead.
April, May, September, and October remain the sweet spot for this route — you'll avoid the punishing Sicilian summer heat and the crowds that descend on Taormina and the Aeolian Islands, while still catching favorable transatlantic business class fares before peak season inflates them. Given how fragmented and fare-class-dependent pricing on this route can be, setting up automated fare alerts is genuinely the smartest way to catch the periodic sweet spots Delta and Lufthansa release on their European gateways.