Correction, Ken. They fly to PIT, not PHL. I think 4 flights a day on Saab 340s. In the early 90s it had service on NW to DTW that I took a couple times. Today there is the PIT service and now Westjet.
They keep talking about other potential services, including AC Lite which was bandied about last year. So far, no luck but it is actually a very busy cargo airport. All the couriers use it as they have no curfew, and can conduct flight operations round the clock.