Airplane Boeing 737 MAX 9 United Airlines has 3 classes on board with total of 179 seats. Use airplane seat map to find which ones are more comfortable and which ones should be avoided.
|first||38||20.5||1 - 5||20|
|economy plus||35||18||7 - 21||42|
|economy||31||18||14 - 39||117|
Seatbelt has airbag attached that makes it bulky and uncomfortable, especially if you try to sleep. Lavatory ventilation on Max 9 is bad...smells coming from lavatory at times were disgusting.
Some kind of box takes out 3 to 4 inches of foot room. I would add that seat 11a has no window.
Entertainment equipment intrudes on the left foot. Extra leg room in economy plus is thereby hemmed in.