3 hours into a flight before it fails is just the normal problem caused by SU5, first reported in July 2021, topic expanded to include failure whenever Azure resources get exhausted whether using AI co-pilot or not, it has received over 400 votes, and it has never been improved in SU 6 or SU7 or SU8 or SU9 or SU10 or SU11.
Perhaps it will be fixed one day in SU12 or SU13 or SU14 or SU15 or SU16 or SU17 or SU18 or SU19 or…