2 configurations on record at United Airlines. The same aircraft name can fly in more than one layout, so the config code is the truth: check the code on your booking rather than the aircraft name.
| 19F12F 114M | 19S12F 114M | |
|---|---|---|
| Domestic First | 12rows 1-3 | 12rows 1-3 |
| Economy | 114rows 7-35 | 114rows 7-35 |
| Extra legroom | not stated | not stated |
| Total | 126 | 126 |
Only the rows that differ are marked. A figure the source never stated reads as not stated, never as zero.
Every figure on the linked pages was read at a named source with the read date shown.