Sơ đồ chỗ ngồi United Airlines Airbus A319

United's single fleet-wide A319-100 cabin. TOTAL 126 seats and the fleet count are PUBLISHED in United's FY2025 SEC Form 10-K (mainline fleet table, as of 2025-12-31: A319-100 — 76 total, 51 owned, 25 leased, 126 seats in standard configuration, 23.9 years average age). The per-cabin split 12 United First / 36 Economy Plus / 78 United Economy = 126 is from Wikipedia's United fleet table (neutral: '12 - 36 78 126'); United First is United's domestic two-cabin first class (canonicalTier first); Economy Plus is United's branded extra-legroom economy (canonicalTier extra_legroom_economy). ROW GRID IS DERIVED, not a placard scan: united.com is bot-blocked/JS-rendered (its Wayback capture carries no seat data) and competitor seat-map sites are prohibited sources. Derivation: United First 2-2 (columns A/C/D/F) rows 1-3 = 12; forward galley/lavatory divider after row 3; a single Economy cabin (rows 7-25, 3-3) holds 114 seats. Economy Plus is modeled as a location-priced ZONE inside the Economy cabin (AUTHORING §6): E+ zone rows 7-12 = 36 (6 exact full 3-3 rows), standard Economy rows 13-25 = 78 (13 exact full 3-3 rows). Both blocks divide evenly by 6, so no partial rows are forced. The two A319 overwing exits (Type III) are placed at rows 10 (forward, non-reclining) and 11 (aft, full recline), with row 9 just ahead (limited recline), projected from A320-family door/wing geometry; the A319 retains the A320's forward+aft overwing exit pairs in a shorter cabin. Exact row numbers, any numbering gaps (rows 4-6 skipped for the forward monument), the E+ boundaries and the two overwing-exit rows may differ from United's actual map. No a319 window grid exists in data/window-grids/ (only a320ceo/a320neo/a321neo), so aircraft.windowGridType is intentionally omitted and windowAlignment is left 'unknown' on all window seats (derived grid). United does not publish A319 pitch/width; those values are approximate and flagged unsourced, EXCEPT United First width 21.1 in which is published in United's 2015 narrowbody release. IFE modeled as streaming to personal device (United Private Screening). fleetCount 76 is the 10-K A319-100 total; Wikipedia's live in-service count was 72 at retrieval. United has announced the A319 will be retired by 2030 (Wikipedia/AirlineGeeks), but the type is currently active.