Should be fine if on a same day connnection. Problems only start if you have a stopover prior to the Y flight.
If you have no status to match, you could earn A3 silver easily (earn 3k miles) and that gets you free bag on domestic flights in US
The perils of brevity due to posting from mobile
...
One of the main reasons I asked (but didn't explain) was that as the US airlines introduce charges and *A status slips away its a whole new experience.
Trip involves a 24h transit. We intend to leave YYZ having arrived on I class before coming back for onward flight to EWR in X.
Amadeus shows two bags allowed on all segments, so that is good ^, but
https://bags.amadeus.com/Display.aspx?a=UA is saying both bags are chargeable in economy
.
But
https://www.united.com/cms/en-us/tra...edBaggage.aspx says 'Full-fare United Economy' gets 2 free checked bags, so hopefully X gets that treatment too
!
Might be handy if the AC *G match comes through in time
. That gets 3 bags free.
Final hope is that AC will interline YVR-YYZ-EWR, but not sure how that would work on the pre-immigration side of things.