Thank you all for the comments above! So I have a dumb follow-up Q - how am I supposed to interpret the United app saying that the inbound plane is N791SK from SFO hopefully departing at 10:30 (to findark point above), but that same aircraft is listed as the inbound for the ACV->SFO outbound this morning? Is it reasonable to think that UA will cancel the ACV->SFO flight this morning in order to prevent a cascade, and that aircraft will just be used to continue to DEN instead of return to/from SFO and delaying every other flight out of ACV today?