Wirelessly posted (BlackBerry9630/5.0.0.591 Profile/MIDP-2.1 Configuration/CLDC-1.1 VendorID/105)
No miles earnt, but a useful question.
You only earn miles if you pay for a seat. Even the 10% infant fare - and you should just hope CO doesn't try to bill you for that

- doesn't even earn points.