Originally Posted by
Astingel2016
Going by this I have noticed majority of the planes have been an A-series. I've seen A320 and A321. I'm guessing those are the bigger planes? If so, great. When I've looked at the seating charts the planes all have had 3 seats on each side and 2 on each side in business/first class.
https://www.seatguru.com/airlines/Am...us_A321_V2.php
https://www.seatguru.com/airlines/Am...irbus_A320.php
If you look at the chart on the right of each page you will see First Class has a width of 21 inches on both aircraft.
However, I believe (and perhaps someone can confirm), that the arm rests on these aircraft are fixed in First, meaning you would have a max of 21 inches. If you bought 3 economy seats between the two of you, you would have 3 x 18 inch seats, and you would be able to lift the arm rest. So pick the option you think would be most comfortable for you.