The route from Tucson International Airport / Morris Air National Guard Base (KTUS) in Tucson to Portsmouth International at Pease Airport (KPSM) in Portsmouth. SkyMeter tracks roughly 2 scheduled flights on this route. The most active operator is ADB (ADB). Average block time is 4h 54m. Departures average 16 minutes off schedule, with 50% running more than 15 minutes late.