The main factor is that the number of transfer baggage and BHS failure (LAX) abnormal pieces in the United States and Canada (SEA/SFO/YVR) has decreased significantly.
The main factor is that the number of transfer baggage and BHS failure (LAX) exceptions in the US Canada region (sea / SFO / YVR) have decreased significantly
The main factors were the significant reduction in the number of transit baggage and BHS fault (LAX) exceptions in the UNITED STATES and Canada (SEA/SFO/YVR).