Fleet breakdown
Cathay Pacific 777-300ER Business Class
2 versions · 8.8 to 9.1 out of 10 · 9 tracked routes
We have measured 2 physically different business-class cabins that Cathay Pacific flies on the 777-300ER. They score 8.8/10 to 9.1/10 — a 0.3-point gap on the same aircraft type, with the same airline, often on the same route.
Booking sites show one “Business” fare for all of them. Below is what each version actually is, how much of the flying it accounts for in the flight data we track, and which routes tend to get which.
The Versions, Ranked2 versions
Shares are the observed mix across the routes we track, from Flightradar24 flight history resolved to individual registrations. They describe our tracked network, not Cathay Pacific's whole 777-300ER fleet — and a version we haven't measured would not appear here at all.
How to Tell Which One You're Getting
Aria Suite9.1/10
Cathay Pacific's new Aria Suite — the airline's first business-class product with a sliding privacy door. Built on the Collins Aerospace Elements platform in a 1-2-1 reverse-herringbone layout with 45 seats per cabin on the 777-300ER (vs. 40 on the legacy 77W). The seat is fully lie-flat at 78 inches (198 cm), 21 inches wide at the armrests (expanding to ~25 inches at shoulder level), with a high cocoon-style head shell, sliding door, 24-inch 4K touch screen, wireless charging, and Bluetooth audio streaming. Launched in late 2024, first deployed on tails B-KPO and B-KPF; Cathay is progressively retrofitting the 35-strong 77W fleet at Xiamen (~7 weeks per airframe) with completion targeted by end of 2027. Until the retrofit completes, only specific tail numbers fly the Aria Suite — the rest still operate the legacy Cirrus product.
- Sliding privacy door at each suite — the giveaway versus the legacy Cirrus
- Sculpted cocoon-style head shell with built-in mood lighting
- Light grey + warm wood finishes (vs. the darker legacy J palette)
- 24-inch 4K screen — noticeably larger than the legacy 18-inch unit
- 1-2-1 reverse-herringbone with 45 seats per cabin
Cathay Business8.8/10
Cathay Pacific's pre-Aria 777-300ER business class. Uses the Safran Cirrus reverse-herringbone seat in 1-2-1 — the same seat family as the A350-900 and A350-1000, just on the wider Boeing fuselage. Every seat has direct aisle access, the seat folds into a fully lie-flat ~75-inch (191 cm) bed, and a side-folding panel widens the sleeping surface. There is no privacy door, but a high shell and wing-shaped head panel give a strong sense of separation. The 77W carries 40 business seats in a forward + mini-cabin layout. Cathay began retrofitting these aircraft to the new Aria Suite in late 2024, with the entire 77W fleet targeted for completion by end of 2027 — so this product is gradually shrinking as tails convert.
- Reverse-herringbone seats angled inward toward the aisle
- Wing-shaped privacy panel beside the head (no door)
- Side panel that folds up to extend the sleeping surface
- Two-cabin split: larger forward J cabin and smaller mini cabin behind
- Same seat as the A350-900 / A350-1000 fleet
Routes Cathay Pacific Flies the 777-300ER On9 routes
The percentage is this cabin family's observed share of Cathay Pacific's flying on that route. Each route page shows the full equipment mix — including the other aircraft types Cathay Pacific and its competitors schedule on it.