There's no nonstop way to bridge Norfolk and Poznan, and after a dozen-plus routings through this corridor, I've come to accept that the connection strategy matters more than the airline logo on the tail. The honest answer for anyone researching business class from Norfolk to Poznan: you'll be piecing together a domestic feeder into a transatlantic hub, then a European carrier's regional jet into POZ, since Poznan's airport simply doesn't support widebody service. Delta routes efficiently via JFK or Amsterdam-adjacent partners, United favors a Newark or Washington Dulles connection into Frankfurt or Munich with Star Alliance metal, and LOT Polish Airlines—the natural finishing leg—operates out of Warsaw Chopin with a compact fleet of Embraer and Dash 8 aircraft on the Poznan sector, so don't expect lie-flat seating on that final hop regardless of your cabin.
The real business-class experience happens on the long-haul segment. United's Polaris business, with its reverse-herringbone seating on 767s and 777s out of Newark or Dulles, remains a dependable choice into Frankfurt or Munich, both of which offer smooth, well-signed connections to LOT's Warsaw shuttle. Delta's One Suites, where equipped on transatlantic 767s and A330s, deliver a quieter cabin experience through JFK, though I'd steer toward the Amsterdam or Paris routing if your itinerary allows, simply because those hubs handle tight regional connections more gracefully than some domestic gateways. My insider tip: build in at least a 90-minute buffer in Warsaw before the LOT flight to Poznan, since Chopin's regional gates are a genuine walk from international arrivals, and misconnects here are common but rarely publicized.
Seasonally, January through March and October into November consistently produce the softest business-class fares on this corridor, as Poznan's trade-fair traffic (driven by the city's convention calendar) spikes demand outside those windows. Given the multi-carrier complexity and shifting award space across Delta, United, and LOT, I'd strongly recommend setting up automated fare alerts rather than manually checking—this route rewards patience and quick action when a rare business-class deal surfaces.