The encyclopedia · Strategy & Leadership · Operational decision · 2003–2005
America West cut full-flight boarding time 20% with a reverse-pyramid order
ASU and America West found that boarding by seat zones that minimize aisle interference beats back-to-front; average boarding time fell over two minutes.
America West Airlines
the move
For a full flight, boarding is one of the longest ground tasks an airline controls, and slow turns waste aircraft time and money. America West's traditional back-to-front boarding packed the aisle with passengers who had to squeeze past seated travelers.
A team of Arizona State University researchers and America West personnel studied the aisle with field observations, analytical models, and simulation. They designed reverse-pyramid boarding: passengers keep seat assignments but board in groups ordered to minimize expected interference.
America West implemented the strategy in September 2003. For full and nearly full flights, average passenger boarding time fell by over two minutes, about 20 percent, a significant improvement over pure back-to-front and outside-inside strategies.
why it works
- Minimizing aisle interference removed the biggest hidden delay in boarding.
- Simulation let the team test dozens of sequences before touching a gate.
- It cost nothing in staffing or equipment, only order.
what transfers
Process order matters as much as process speed: resequencing the same passengers, rather than adding staff or planes, cut boarding time by about 20%.
what came after
The reverse-pyramid result was published in Interfaces and became a standard reference for aircraft-boarding research; airlines have since used simulation and optimization to redesign boarding sequences.
references
- America West Airlines Develops Efficient Boarding Strategies — Interfaces (via RePEc)
- America West Airlines Develops Efficient Boarding Strategies — ASU Experts publication record
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