Same size rule

Airlines with a 56×35×23 cm cabin bag limit

2 airlines in our verified catalog publish exactly 56×35×23 cm (L×W×D) for a cabin bag. A bag that fits this size fits the dimension rule for all of them — weight limits and fare rules still differ.

AirlineApplies toCabin bag weightPersonal itemVerifiedSource
Delta Air Lines (DL)Standard——2026-09-27official
United Airlines (UA)Standard—43×25×22 cm2026-09-28official

A dash means the verified rule lists no value. We never fill gaps with estimates.