YUL-ORD got cxl causing a misconnect to my ORD-OGG flight in January on JN fare.
2 hour phone call with a terrible rep who refunded the ticket (without me asking) ended up putting me on YUL-EWR-OGG back in JN for 2k miles less, although now with a 20 hr layover in EWR. All in gonna call it a win.