Originally Posted by
traveller001
DL being hub and spoke can change aircraft based on advance bookings or cancellations and aircraft/crew availability. Upgrading or downgrading metal and moving things to where they're more right sized.
I'm actually surprised they haven't thrown the 717s at HPN rather than MSN.
Normally MSN-ATL changes aircrafts a lot. Like an A319 flight said online now can happen to be a 717 instead by then.