Not enough details:
1. What carrier operated the ORD-LHR flight onto which you were rebooked when you misconnected due to the AA delay?
2. What was the cause of the delay of your LHR-ORD flight?
3. How late was your actual arrival at TLV vis-a-vis your originally scheduled arrival had your SFO-ORD-LHR-TLV been operated as scheduled?