Currently, the 737 MAX 7 is expected to be ready first, with FAA certification imminent, while certification of the 737 MAX 10 is expected in early fall 2026. Meanwhile, the other major roadblock with the 737 MAX 7 and MAX 10 is the anti-ice system. Certifying The Boeing 777-9Credit: ShutterstockUnlike the 737 MAX 7 and 737 MAX 8, the 777-9 is the first member of the 777X family being certified. The Importance Of The 737 MAX 7 And 10Credit: ShutterstockThe 737 MAX 7 has only been ordered by a few airlines (Southwest is the biggest customer) as well as an undisclosed number of BBJ customers. Boeing 737 MAX Variants Sales Airbus A320neo Variants Sales 737 MAX 7 Roughly 300 A319neo 57 737 MAX 8 Over 4,800 A320neo 4,278 737 MAX 9 Over 500 A321neo 7,769 737 MAX 10 Over 1,400 Total 12,104 Total 7,206The 737 MAX 10 is larger than the MAX 9 and promises competitive economics against the A321neo.