Originally Posted by
jsguyrus
AS is going to need to work on East coast diversions. The problems at Buffalo are understandable, what is not understandable is flying them back to BOS and having them wait 12 hours there.
Sounds like they were waiting for a rested crew. Either the original one, the comandeered BNA-SFO crew, or another rotation. At least returning to the origin allows some to cancel their trip or reschedule it and AS ground staff to (theoretically) assist pax.