Dual or Single Aisle for Long Haul, Part 2

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By Bjorn Fehrm


July 28, 2022, © Leeham News: Two weeks ago, we started looking at the most economical way to fly long-haul. The single-aisle alternative or stay with the trusted widebody?

We laid out a route on the practical range limit for an Airbus A321XLR, Milano to New York. With typical headwinds (as we fly west), it’s close to 4,000nm for the aircraft. The first analysis was for fuel burn. Now we add other costs to form Cash Operating Costs.

  • The fuel burn points one way, the Cash Operating Costs another.
  • The background is different costs scale differently with size.

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