airwaysmag.com
• Helwing Villamizar
Singapore-based Scoot was named the world’s most emissions-efficient airline in Cirium’s 2025 EmeraldSky Annual Review, recording 51 g CO2/ASK. Qatar and Ryanair placed next in Cirium’s global emissions ranking, reinforcing the link between modern fleet economics and lower unit emissions.
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The article argues that airlines’ headline on-time % metrics can hide underlying schedule brittleness and the way delays propagate through networks. It highlights that improving visibility into disruption dynamics—rather than only final punctuality—has measurable value, citing a cost of $110 per minute for data gaps.
Cirium data shows WestJet delivered the top on-time performance for North America in May. The carrier also ranked among the global leaders—becoming the only Canadian airline in the worldwide top 10.
Cirium expects business-jet deliveries to edge up in 2026, extending a multi-decade growth runway that totals about 18,000 deliveries through 2045. The forecast frames long-horizon demand visibility for cabin manufacturers, completion specialists, and service providers supporting fleet build-outs.
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Singapore-based Scoot was named the world’s most emissions-efficient airline in Cirium’s 2025 EmeraldSky Annual Review, recording 51 g CO2/ASK. Qatar and Ryanair placed next in Cirium’s global emissions ranking, reinforcing the link between modern fleet economics and lower unit emissions.
Cirium's January 2026 on-time performance rankings place Aeromexico as the leading airline for punctuality and name Harbin (HRB) the top large airport. The monthly dataset offers a near-term operational snapshot that complements Cirium's annual review and signals short-term reliability trends for carriers and hubs.
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