One way nonstop Jan 30, ROC-PHL on AA, $444

One way Jan 30 ROC-PHL-MCO on AA, same ROC-PHL leg, total fare: $225. AA appears willing to fill seats on PHL bound planes for low fare connection flights.

One way nonstop Jan 30 ROC-EWR on UA $164 economy, multiple flights with that fare, with lower basic economy faring available too.

Many in PHL's catchment would consider domestic and not just international flights at EWR, when AA's fares are such.