OMG, is this thread going to turn into a thread about how ACARS airlines have skewed ontime performance? Saabs don't have ACARS but send the times electronically with no way to manipulate. Mesaba still turns in some of the best OT performance out there. I know it's easy to say that airlines that don't have hubs in the east coast corridor are in a different league for OT performance. Maybe it just boils down to a good operation? Even in the brutal winters that DTW and MSP have, NWA and their Airlinks still put up some great OT stats. No matter which way you look at it, the whole operation contributes to the OT performance of an airline.