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Delta Air Lines vs Singapore Airlines Business Class Comparison

Delta Air Lines Singapore Airlines
Rating 8/10 9/10
Seat type Delta One Suite with Privacy Door Lie-flat Suite
Lie-flat Yes Yes
Seat width 22 inches 28 inches
Alliance SkyTeam Star Alliance
IATA DL SQ
Hubs Hartsfield-Jackson Atlanta (ATL), John F. Kennedy International (JFK), Los Angeles International (LAX) Singapore Changi Airport (SIN)

Delta Air Lines — Pros & Cons

  • + Delta One Suite has a closing door — rare for US carriers
  • + Strong domestic connectivity from multiple hubs
  • + Consistent service quality for a US airline
  • Delta One Suite only on A350 and A330-900; older 767 lacks door
  • Wine and dining trail top international carriers

Singapore Airlines — Pros & Cons

  • + Industry-leading seat width at 28 inches on newer suites
  • + Exceptional cabin crew service
  • + Book the Cook pre-order dining
  • Limited route network compared to Gulf carriers
  • Older 777 regional cabins are less competitive

The verdict

Singapore Airlines takes the edge with a 9/10 rating compared to 8/10 for Delta Air Lines. Singapore Airlines stands out with its Lie-flat Suite, while Delta Air Lines offers Delta One Suite with Privacy Door. Both airlines provide lie-flat business class seats, so the best choice depends on your route, schedule, and personal preferences.

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