About the Boeing 737 MAX 9
Boeing lists the MAX 9 at 138 feet 2 inches (42.1 meters), compared with 129 feet 6 inches (39.5 meters) for the MAX 8. The longer fuselage gives operators more room for rows or different cabin sections. The 737-900 and 737-900ER belong to the earlier Next-Generation 737 family.
Seating capacity
Alaska Airlines lists 178 seats for its 737-9 MAX. United describes a 179-seat configuration for its own MAX 9. These are airline examples. Look up the operating carrier’s seat map for the capacity on your flight.
Cabin layout
Alaska’s seat map shows two seats on either side of the aisle in First Class and three on either side in the Main Cabin. Its Premium Class seats are part of the Main Cabin. The map marks exit rows and lavatories, so you can check where your row sits in relation to both.
How to recognize a Boeing 737 MAX 9
In comparable side views, the MAX 9 has a longer fuselage than the MAX 8. Perspective can make the difference hard to judge. If you can see the registration, use it to confirm whether you are looking at a 737-9.
Variants and related aircraft
The FAA groups the passenger 737 MAX 9 and its business-jet version under B39M. For a MAX 8 look for B38M, and for the earlier 737-900 look for B739. Airline seating examples describe the passenger model.
Boeing 737 MAX 8 · Boeing 737-900
Frequently asked questions
Does every Boeing 737 MAX 9 have 178 seats?
Alaska lists 178 seats and United describes an example with 179. Use the seat map for the carrier operating your flight to check its layout.
Is the Boeing 737-9 another name for the MAX 9?
Yes. Boeing uses 737-9 within the 737 MAX family, and the FAA lists both names under B39M. The older 737-900 has a separate tracking code.