# The Airbus A350 has emerged as one of the most important widebody aircraft in modern aviation.

*business · news · 2026-04-07 · Simple Flying*

## Key points

- Singapore Airlines operates the world's largest A350 fleet, including the ultra-long-range A350-900ULR for nonstop flights over 17 hours.
- Qatar Airways uniquely operates both A350-900 and A350-1000 variants, optimizing capacity for different route demands.
- Air France and Delta Air Lines have standardized on the A350-900, streamlining training and maintenance for fleet renewal.
- Air China uses the A350 for both international expansion and high-demand domestic routes, supporting rapid network growth.

**Companies:** Airbus, Rolls-Royce, Singapore Airlines, Qatar Airways, Cathay Pacific, Air France, Delta Air Lines, Lufthansa, Air China
**Countries:** Singapore, Qatar, France, United States, Germany, China

[Read the full story on Simple Flying](https://simpleflying.com/airlines-worlds-largest-airbus-a350-fleets/)

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