What's old is new again as two of our long-standing favorite airline products won our 2026 TPG Awards for best domestic and international business class. The Delta One Suite took home the prize for best business class on a U.S. carrier, while it was Qatar Airways' elegant Qsuite that won the top honor for best international business class. Here's why each of these premium products won ... and which other new and forthcoming business-class seats are nipping at their heels. Best US Airline Business Class: Delta OneERIC ROSEN/THE POINTS GUYOriginally introduced in 2016, the Delta One Suite is another multiyear TPG Award winner for best business class on a U.S. airline. Please click here to read more about our winner-selection process and methodology for the 2026 TPG Awards.