Flights are paused from April 3rd to Oct 6th. All flights are currently T0 R0 from Oct 7th on when they restart. Revenue management is a fine art. A few years back, UA admitted that they hadn't really adapted for the times are weren't managing inventory as well as they could have and were selling too many seats in lower fare classes that could have been sold for more --
https://crankyflier.com/2016/11/28/u...nce-of-demand/