Originally Posted by
abbydancer
SFO to EWR on a 777. We booked Premium Economy. When they switched it to a 757, they downgraded us to economy (seats weren't even in Economy Plus, but I could have fixed that. Seems to me they should have upgraded us to business, but that's just me.
Did UA give you a refund of fare difference? They owed you that, and should also provide customer service compensation.
Note that you can always ask to be moved to a different flight with a PE cabin when this happens.