b737-900

The Boeing 737-900 is a narrow-body jet variant designed for short to medium-haul flights, known for its capacity and efficiency on domestic and regional routes.

Operational Use and Fleet Status

• Korean Air operates non-ER 737-900s primarily on domestic routes, with limited international service, such as the Busan to Fukuoka hop.
• These aircraft lack in-flight entertainment, Wi-Fi, and at-seat power, though they feature two rear lavatories with high cleanliness ratings (4.94/5).🔗
• United Airlines operates 737-900s in first class, offering premium amenities like upgraded seating and meals, with one such flight noted on a route from Los Angeles to Washington Dulles.🔗

Aircraft Features and Design

• The 737-900 has two over-wing exits and an additional door plug (not an exit) between the wing and rear exit, causing irregular window spacing in the rear section.
• It is slightly larger than the 737-800, with a longer fuselage and higher passenger capacity, though it is considered cramped by some passengers despite padded seats.

Recent Developments and Orders

• Greater Bay Airlines took delivery of its first 737-9 in November 2025, introducing a premium class with features like power outlets, priority boarding, and enhanced baggage allowance.
• SCAT Airlines operates both 737-8 and 737-9 variants, with a recent order to convert five 737-8s to 737-9s to increase capacity and improve schedule reliability.
• The FAA issued an airworthiness directive in August 2026 requiring inspections of certain 737-9s due to potential cracks in the bear strap reinforcement near the forward galley door, affecting around 1,429 aircraft globally.