Topic

#contrails

Passenger Experience

What Are Contrails? Why Some Planes Leave White Lines in the Sky and Others Do Not

Those white streaks behind high-flying jets are not smoke and not chemicals. A plain-English guide to contrails, why some vanish in seconds and others linger, and why scientists study them.

15 October 2026 · 5 minRajkumar Agarwal

Airlines

Cathay Pacific and Google Just Ran 80 Flights to Test Whether Contrails Can Be Steered Away

Cathay Pacific and Google say a joint trial of AI-guided altitude adjustments across more than 80 flights cut the estimated warming impact of contrails by roughly 40% — and Cathay is now the first airline to test the approach on ultra-long-haul routes.

10 September 2026 · 11 minRajkumar Agarwal