Weather diversions:
- ATL-(STL)-ORD
- DFW-(ICN)-HKG
- SFO-(LAX)-SAN
Mechanical diversions:
- MCO-(MCO)-CLT
I've never had a medical diversion but a few "Is there a doctor on board?" moments. Diversions cost a lot, and airlines don't take them lightly so I don't think angry or upset would cross my mind.