N17421
Boeing 737 MAX 9 (MAX 9)
Boeing (Boeing Commercial Airplanes)
7 Hours
Duration of Flight
3300 NM
Range
515 MPH
Max Speed

Gallery




Basic Information
Airframe
Data valid as of 2025-11-26No flight history available
Flight records for this aircraft have not been tracked yet.
AI Summary
Boeing 737 MAX 9 (MAX 9)
Overview
Listed on multiple aircraft/flight-tracking pages as a Boeing 737 MAX 9 showing Mode S A12AC1 and assigned to United Airlines; historical FAA-derived records show the N-number has been used by earlier vintage/warbird registrations in the past.
Specifications
- Engines: 2× CFM International LEAP-1B (27900 lbf each)
- Range: 3300 nm
- Cruise: 470 kts
- Seats: 178
- Ceiling: 41000 ft
Operations & Cabin
Typical two-class 178–193 seats (operator-dependent)
Model & Market Context
This airframe, registered as N17421, is a Boeing 737 MAX 9 built by Boeing (Boeing Commercial Airplanes) with manufacturer serial number 67744. The aircraft is owned and operated by United Airlines, Inc., a corporate operator based in Chicago, IL, US, and is registered on the US registry. Listed under United Airlines' corporate fleet in Chicago, the airframe conforms to the carrier's narrow-body operating concept and typical utilization patterns for the MAX 9 family; specific build year, entry-into-service dates and valuation details are not published for this individual aircraft.
The aircraft operates in a fixed-wing multi-engine transport role under the type Boeing 737 MAX 9 configuration with a typical two-class cabin capacity cited as 178–193 seats (operator-dependent); for this airframe the seating is listed at 178. Cabin layout and specific onboard amenities follow United Airlines' operator standards, with interiors and avionics fits tailored to the carrier's fleet commonality programs. Mission profiles for this airframe generally include short- to medium-haul mainline services enabled by a 3,300 nm range and cruise speeds around 470 kts, and operational ceilings up to 41,000 ft inform typical cruise flight levels and scheduling flexibility. Routine maintenance considerations align with the LEAP-1B engines and MAX-series structural and systems support programs as applied by the operator.
The Boeing 737 MAX 9 sits within Boeing's MAX family as a higher-capacity narrow-body offering for airlines needing extended range and seat counts versus smaller MAX models. Powered by twin CFM International LEAP-1B engines rated at 27,900 lbf each, the type competes with stretched narrow-bodies in its performance niche, balancing payload and range for transcontinental and thin long-range sectors. Demand among mainline carriers and leasing markets emphasizes fleet commonality, economy of operations, and resale considerations tied to operator-specific cabin fits and maintenance history; for this airframe, ownership by United Airlines, Inc. positions it within a large, system-integrated fleet environment.