Poznan remains one of Europe's most charmingly under-the-radar business destinations, and getting there in comfort requires a bit of routing savvy since no carrier flies PBI-POZ nonstop. The reality is that business class from West Palm Beach to Poznan always involves at least one connection, typically through Amsterdam, Frankfurt, or Warsaw, with total journey time hovering around 10 hours of actual flying plus a layover. My preferred build is Delta out of PBI connecting via JFK or Atlanta to partner hubs in Europe, or United routing through Newark or Washington Dulles into Frankfurt, where Lufthansa's network offers efficient onward connections to Poznan. LOT Polish Airlines, as the flag carrier, is the natural final-leg operator into POZ, and their regional jets handle this short hop efficiently even if the seat itself is standard narrow-body.
The real business class experience on this itinerary happens on the transatlantic long-haul segment, so I always advise travelers to prioritize which carrier operates that leg rather than fixating on the short European connector. Delta's A330 or A350 business class with lie-flat suites on transatlantic legs out of JFK offers a genuinely restful crossing, while United's Polaris seats on 767 or 777 aircraft from Newark deliver similarly solid flat-bed comfort with direct aisle access on most configurations. My insider tip, learned after several misconnects: build in at least a two-hour buffer in Frankfurt or Warsaw before the LOT connection, since Polish immigration and gate changes at POZ's compact single-terminal airport can eat time you don't have on tight layovers, and LOT's schedule to Poznan is limited to just a few daily frequencies.
Seasonally, January through March and again in October and November are your best windows for award availability and softer fares, since Poznan's trade fair calendar (it hosts major international exhibitions) can tighten inventory unexpectedly during peak business travel weeks. Because pricing and premium cabin availability on this routing shift frequently depending on which hub and carrier combination opens up, setting automated fare alerts for this specific PBI-POZ business class corridor is the smartest way to catch the right window before it closes.