Why does Singapore Airlines always sell out these six seats? The secret seat numbers you need to know to survive the world’s longest flight, New York to Singapore

• The near-19-hour Singapore-New York route was launched amid the pandemic and has just been upgraded to the fancy 161-seat Airbus A350-900ULR
• The new premium economy cabin includes three solo window seats with their own storage bins and leg room to spare – here’s how to bag one