Most delayed flights from PSM: every route ranked

0 regularly flown nonstop routes from Portsmouth International Airport at Pease, worst on-time record first (Aug 2025 – Jul 2026). Routes with fewer than 360 flights in the period are listed separately.

#	Destination	On time	Cancelled	Avg delay	Airlines	Flights

Less frequent routes

Too few flights for a reliable ranking.

PSM → PGD (Punta Gorda) 237 flts
PSM → SFB (Sanford) 136 flts
PSM → PIE (St. Petersburg) 43 flts
PSM → SRQ (Sarasota/Bradenton) 14 flts

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.