Reno's high desert runway has never hosted a nonstop to Scandinavia, and it won't anytime soon — which is precisely why anyone booking business class from Reno to Stockholm needs to think in terms of connections rather than direct routing. The practical reality is that Delta, American, and United all move Reno travelers through their major hubs before the transatlantic hop: Delta via Minneapolis or JFK with a switch into Delta One, United via Chicago or Newark into Polaris business, and American via Chicago or Dallas connecting to oneworld metal, often a British Airways or Finnair codeshare that actually operates the Stockholm leg. Delta's JFK routing is my preferred build, since it allows a same-terminal connection into Delta One suites on the A330-900 or A350, both of which offer full-suite doors and direct aisle access — a meaningful upgrade over the older 767 configuration Delta sometimes still flies on European routes.
Having flown this corridor repeatedly, my strongest insider tip is to build in at least a two-hour buffer at whichever hub you choose during summer months, since RNO's limited daily departures mean a single delay can cascade into a missed transatlantic connection — and rebooking options into premium cabins on the same day are scarce. If your itinerary lands you on United through Newark, request Polaris lounge access even on a same-day connection; it's one of the better pre-flight resets on the East Coast, with proper shower suites that make the following overnight far more bearable. Arriving into Stockholm Arlanda, Terminal 5 handles all Star Alliance and SkyTeam arrivals, and early morning landings mean immigration lines are typically short if you're off the plane within the first wave of deplaning.
May through September remains the sweet spot for this itinerary, both for Sweden's long daylight hours and for business class award and revenue pricing, which tends to loosen up outside the Nordic peak of July. Because fares on this three-airline, multi-hub route fluctuate more than nonstop markets, setting up fare alerts for Reno–Stockholm business class is the smartest way to catch a pricing dip before it disappears.