There's a particular satisfaction in landing on a volcanic island after a transatlantic redeye, and that satisfaction multiplies considerably when you've spent the flight in a lie-flat suite rather than a cramped economy row. Currently, no carrier operates true nonstop business class from Minneapolis to Ponta Delgada — the Azores route almost always requires a connection through a European gateway, since Delta, United, and TAP Air Portugal each route passengers via their respective hub structures rather than flying MSP-PDL direct. The most efficient itinerary I've found repeatedly involves connecting through Boston or New York-JFK on Delta, then picking up TAP's onward service into Ponta Delgada, or alternatively routing through Newark on United before transferring to a partner carrier for the island hop. Delta's transatlantic widebody business class, featuring the Delta One suite with a closing door on select aircraft, makes the long-haul segment genuinely restful, while TAP's shorter intra-European legs typically use a recliner-style business product — perfectly adequate for the sub-two-hour hop from Lisbon.
My insider tip: build in a deliberate layover in Lisbon rather than treating it as a tight connection. TAP's Lisbon hub has become far more navigable in recent years, and a four-to-six-hour buffer lets you shower and reset before the final Azores leg — invaluable after an overnight from Minneapolis. Seasonality matters enormously here: the Azores' shoulder seasons (January through March, then October and November) not only bring softer award and revenue fares but also calmer weather windows for island-hopping once you land, since summer brings both crowds and premium pricing across every cabin.
Given the patchwork routing required for this journey, fares fluctuate more than on more heavily trafficked transatlantic corridors, and availability on the connecting business class segments can be inconsistent week to week. I'd strongly recommend setting up continuous fare tracking for Minneapolis to Ponta Delgada business class itineraries, since the right combination of Delta, United, and TAP inventory tends to surface unpredictably rather than on a predictable calendar cycle.