According to this media bias chart, ABC News (online) is considered to have a Reliability and Bias Score of:

Responses

A

32.51 and +15.36
32.51 and +15.36
B

24.83 and -17.42
24.83 and -17.42
C

45.37 and -2.82
45.37 and -2.82

D

63.76 and +12.14
63.76 and +12.14