United First Class generally includes 2 checked bags for free, with each bag allowed up to 70 lb (32 kg). United’s checked-bag page confirms the standard size limit is 62 total inches per bag.

What that means

  • Number of checked bags: 2 free bags.
  • Weight per bag: up to 70 lb each.
  • Size limit: up to 62 total inches per bag, including handles and wheels.

Small caveat

Bag rules can vary by route, ticket type, and membership status, so the exact allowance can change in some cases.

TL;DR: United First Class usually gets you 2 checked bags free.