Jul 15, 2026 – 10.47amFlight review: Cathay Pacific Premium Economy CX100Sydney (SYD) to Hong Kong (HKG) | Boeing 777-300ER | Departing 2.05pm | Arrive 9.30pm | Best for: Cathay members (free wifi) who value daytime flying with elevated legs, a wide screen and relative privacy.Cathay Pacific’s best and newest premium economy service is on its Boeing 777-300ERs, which were retrofitted in 2024 and introduced to some but not all of its Sydney and Melbourne operations in 2025.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Kate HennessyContributorKate Hennessy is a Walkley Award-winning arts and travel journalist. Follow her on Instagram @katehennessywriterFetching latest articles