Not sure why anybody would put the bus time at 1:22 or even after 1:15.
Markham stated she left home about 6 or 7 minutes after 1. Although, she wasn't quite exactly sure.
Ball asked her what time she usually gets to her bus. Markham replied 1:15.
Ball then asked her if it was before 1:15. Markham replied "yes it was".
So, according to Markham she got her bus before 1:15.