51 destinations have scheduled flights from PIT, about 503 departures a week. Weekly frequencies come from airline schedules and observed departures, not live status.
| Destination | Flights per week | Airlines | Typical duration |
|---|---|---|---|
| LaGuardia Airport (LGA) | 35 | Delta Air Lines, American Airlines | — |
| Hartsfield Jackson Atlanta International Airport (ATL) | 30 | Delta Air Lines, Southwest Airlines Co. | — |
| Chicago O'Hare International Airport (ORD) | 27 | American Airlines, Albatross Airlines, Envoy Air Inc. | — |
| Philadelphia International Airport (PHL) | 25 | American Airlines, UPS Airlines | — |
| Orlando International Airport (MCO) | 24 | Southwest Airlines Co., Spirit Airlines | — |
| Boston Logan International Airport (BOS) | 20 | Top Air (Turkey), Delta Air Lines | — |
| DuBois Regional Airport (DUJ) | 18 | Congo Express | — |
| John F. Kennedy International Airport (JFK) | 16 | Delta Air Lines, American Airlines | — |
| Ronald Reagan Washington National Airport (DCA) | 15 | American Airlines, Envoy Air Inc. | — |
| Dallas Fort Worth International Airport (DFW) | 15 | American Airlines | — |
| Detroit Metropolitan Wayne County Airport (DTW) | 14 | Delta Air Lines | — |
| Newark Liberty International Airport (EWR) | 14 | Albatross Airlines | — |
| George Bush Intercontinental Airport (IAH) | 14 | Mesa Airlines, Inc., Albatross Airlines | — |
| Charlotte Douglas International Airport (CLT) | 13 | American Airlines | — |
| Chicago Midway International Airport (MDW) | 13 | Southwest Airlines Co. | — |
| Nashville International Airport (BNA) | 12 | Southwest Airlines Co. | — |
| Denver International Airport (DEN) | 12 | Albatross Airlines, Southwest Airlines Co. | — |
| Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP) | 12 | Delta Air Lines | — |
| Washington Dulles International Airport (IAD) | 11 | Albatross Airlines | — |
| Tampa International Airport (TPA) | 11 | Southwest Airlines Co., Mexicana | — |
| Phoenix Sky Harbor International Airport (PHX) | 9 | Southwest Airlines Co., Allegiant Air LLC | — |
| Southwest Florida International Airport (RSW) | 9 | Southwest Airlines Co., Mexicana | — |
| John Glenn Columbus International Airport (CMH) | 8 | Anic Airways | — |
| Perot Field/Fort Worth Alliance Airport (AFW) | 7 | MN Airlines LLC | — |
| Baltimore/Washington International Thurgood Marshall Airport (BWI) | 7 | Southwest Airlines Co. | — |
| Miami International Airport (MIA) | 7 | American Airlines | — |
| Raleigh-Durham International Airport (RDU) | 7 | American Airlines, Mexicana | — |
| Toronto Pearson International Airport (YYZ) | 7 | Air Canada | — |
| Bradford Regional Airport (BFD) | 6 | Congo Express | — |
| Fort Lauderdale Hollywood International Airport (FLL) | 6 | Southwest Airlines Co. | — |
| William P. Hobby Airport (HOU) | 6 | Southwest Airlines Co. | — |
| Harry Reid International Airport (LAS) | 6 | Southwest Airlines Co. | — |
| Lancaster Airport (LNS) | 6 | Congo Express | — |
| Seattle–Tacoma International Airport (SEA) | 6 | Alaska Airlines | — |
| Louisville Muhammad Ali International Airport (SDF) | 5 | UPS Airlines | — |
| Salt Lake City International Airport (SLC) | 5 | Delta Air Lines | — |
| Sarasota Bradenton International Airport (SRQ) | 5 | Southwest Airlines Co., Allegiant Air LLC | — |
| St. Louis Lambert International Airport (STL) | 5 | Southwest Airlines Co. | — |
| Charleston International Airport (CHS) | 4 | Mexicana | — |
| Dallas Love Field (DAL) | 4 | Southwest Airlines Co. | — |
| Indianapolis International Airport (IND) | 4 | Four Island Air | — |
| London Heathrow Airport (LHR) | 4 | British Airways | — |
| Frederick W. Smith International Airport (MEM) | 4 | Four Island Air | — |
| Los Angeles International Airport (LAX) | 3 | American Airlines | — |
| Bradley International Airport (BDL) | 2 | Mexicana | — |
| Key West International Airport (EYW) | 2 | Allegiant Air LLC | — |
| Louis Armstrong New Orleans International Airport (MSY) | 2 | Mexicana | — |
| St. Petersburg Clearwater International Airport (PIE) | 2 | Allegiant Air LLC | — |
| Rhode Island T. F. Green International Airport (PVD) | 2 | Mexicana | — |
| Cincinnati Northern Kentucky International Airport (CVG) | 1 | Four Island Air | — |
| Palm Beach International Airport (PBI) | 1 | Allegiant Air LLC | — |
GET /routes returns each scheduled flight from PIT: airline, flight number, departure and arrival time, duration, days of operation and aircraft type.
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