Boeing 737-400 Private Charter Flights and Prices With the addition of a tail bumper, the Boeing 737-400 ensures a smooth, reliable flight with safe takeoffs and landings for a maximum of 173 passengers. The average hourly rental rate of the Boeing 737-400 is around 18,300 USD per hour.

Operating a Boeing 737-400, a member of the "Classic" 737 series, typically costs between $8,000 and $11,000 per flight hour in 2026. This figure includes fuel, flight crew salaries, insurance, and maintenance reserves. Fuel is the most volatile variable, often accounting for 40-50% of the hourly cost. Because the 737-400 uses older CFM56-3 engines, it is significantly less fuel-efficient than the modern 737 MAX or even the 737-800 "Next Generation" models. Maintenance costs for this aging airframe are also higher, as parts become rarer and the aircraft requires more frequent "heavy checks" to ensure structural integrity. Most 737-400s still in service today have been converted to freighters (737-400SF), where their lower acquisition cost makes them viable for short-haul cargo routes despite the higher hourly operating expenses compared to newer, more efficient twin-engine jets.