United Economy Plus · AISLE SEAT
21D
Great pick
Seat photos
Send a photo →We're collecting flyer-submitted photos. If you've sat in 21D, send us a snap and we'll add it.
Seat specifications
Why it's great
Ask anything about this seat
Ask anything about seat 21D
Be the first to review this seat.
Reviews are submitted by signed-in members and don't change our research-backed verdict — they help us know which seats to re-investigate.
Nearby seats for comparison
Exit row. Extra legroom but seat may not recline; tray stows in armrest. Must be willing to assist in emergency.
Exit row. Extra legroom but seat may not recline; tray stows in armrest. Must be willing to assist in emergency.
Exit row. Extra legroom but seat may not recline; tray stows in armrest. Must be willing to assist in emergency.
Exit row. Extra legroom but seat may not recline; tray stows in armrest. Must be willing to assist in emergency.