Pittsburgh International Airport is on pace to set a new annual record for flight diversions in 2026.
Through Sept. 30, the airport accommodated 411 diverted aircraft, placing it on track to surpass its previous record of 463 diversions set in 2018, according to the Allegheny County Airport Authority’s Blue Sky News.
The surge follows a busy 2025 for Pittsburgh International Airport, which logged 443 diverted flights during that calendar year.
About 45% of the diverted flights arriving in Pittsburgh through Sept. 30 originated from four major East Coast hubs: John F. Kennedy International Airport, LaGuardia Airport, Newark Liberty International Airport and Ronald Reagan Washington National Airport.
Flight diversions have also reached elevated levels nationwide. According to the U.S. Bureau of Transportation Statistics, 21,106 domestic airline flights landed at an airport other than their intended destination in 2025. That’s about one in every 367 scheduled flights, marking the highest annual diversion rate since the agency began tracking delay causes in 2003.
The summer rise in diversions coincides with severe thunderstorms and peak air travel volume. Technical disruptions could be another factor.
Allegheny County Airport Authority Vice President of Airport Operations Jim Moorhead emphasized the facility’s role in managing air traffic challenges across the region.
“Flight diversions are a part of the aviation system, and PIT is well-positioned to help when weather, congestion or other disruptions affect operations elsewhere,” Moorhead said.
Moorhead explained that airport staff coordinate closely with air traffic controllers and commercial carriers during operational diversions.
“Our team works closely with airline partners and air traffic control to safely accommodate diverted aircraft and support passengers and crews,” Moorhead said. “While these situations can be challenging, our infrastructure, available capacity and experienced operations team allow us to respond when airlines need an alternative and help keep the broader aviation system moving.”
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