Google and American Airlines Use AI to Reduce Contrails 62% | PYMNTS.com

Google and American Airlines Use AI to Reduce Contrails 62% | PYMNTS.com

By PYMNTS
Publication Date: 2026-03-23 01:19:00

Artificial intelligence and aviation both have drawn sustained criticism for the carbon cost of their own infrastructure, but a growing body of evidence from commercial aviation suggests the technology can deliver measurable climate benefits that exceed its energy overhead.

Google and American Airlines are showing that AI-guided contrail avoidance achieved a 62% reduction in contrail formation rates across a trial of 2,400 transatlantic flights.

Contrails and Why They Matter

Contrails are the thin white streaks formed at cruising altitude when water vapor condenses onto jet exhaust particles and freezes into ice crystals. They are visible in the sky over most major air corridors, but their climate impact is disproportionate to their appearance.

According to research published by Google, contrails account for roughly 35% of aviation’s total contribution to atmospheric warming. Unlike CO2, which disperses across decades, contrail warming is concentrated in the hours following a…