UA sent an email this morning about gate tenumbering, but with no specifics.
here is SFO’s announcement
https://www.flysfo.com/gate-renumbering
specifically for UA
- International Terminal will have Boarding Areas A, gates A1 – A15, and Boarding Area G, gates G1 – G14
- Terminal 3 will have Boarding Area E, gates E1 – E13, and Boarding Area F, gates F1 – F22
in picture format ...