Insufficient source material to produce a full brief.

Key facts

• Source is a video description from Simple Flying about the Boeing 777-300ER.
• The video discusses the aircraft becoming a flagship for many airlines.
• It also discusses the GE90 engines and their impact on long-haul aviation.
• The source text does not provide dates, statistics, or named airlines.

Sources

• https://simpleflying.com/video/why-the-777-300er-became-the-ultimate-flagship/