Boeing 737 MAX 9

The mid-size 737 MAX variant, between the MAX 8 and MAX 10.
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Key specifications

Range
3,300
Capacity
220
First service
2018
Orders
174

The Boeing 737 MAX 9 sits between the MAX 8 and MAX 10, typically seating 178 passengers with a longer fuselage than the MAX 8. Lion Air was the launch customer, and the type is most associated in recent years with United and Alaska Airlines, the latter following the January 2024 door plug incident involving the variant.

Full specifications

Manufacturer
Boeing
Family
737 MAX Family
Maximum range
3,300
Typical seating
178-220
Engines
CFM LEAP-1B
Entry into service
2018
Key feature
Mid-size MAX, between the MAX 8 and MAX 10

Operators

Airlines currently operating or having ordered the Boeing 737 MAX 9 include:

Latest Boeing 737 MAX 9 coverage from AeroTime

Alaska Airlines unveils FIFA World Cup 2026 livery on Boeing 737-9 MAX
11 June 2026