51 destinations have scheduled flights from PIT, about 766 departures a week. Weekly frequencies come from airline schedules and observed departures, not live status.
| Destination | Flights per week | Airlines | Typical duration |
|---|---|---|---|
| New York (LGA) | 55 | Delta Air Lines, American Airlines | — |
| Orlando International (MCO) | 43 | Southwest Airlines Co., Spirit Airlines, Frontier Airlines, Inc. | — |
| Chicago O'hare International (ORD) | 42 | United Airlines, American Airlines, Envoy Air Inc. | — |
| Philadelphia International (PHL) | 42 | American Airlines, UPS Airlines | — |
| Hartsfield-jackson Atlanta International (ATL) | 33 | Delta Air Lines, Southwest Airlines Co. | — |
| Newark Liberty International (EWR) | 31 | United Airlines | — |
| John F Kennedy International (JFK) | 30 | Delta Air Lines, American Airlines | — |
| Ronald Reagan Washington National Airport (DCA) | 27 | American Airlines, Envoy Air Inc. | — |
| Minneapolis - St. Paul International (MSP) | 26 | Delta Air Lines | — |
| Logan International (BOS) | 25 | JetBlue, Delta Air Lines | — |
| Charlotte Douglas (CLT) | 24 | American Airlines | — |
| Denver International (DEN) | 24 | United Airlines, Southwest Airlines Co. | — |
| Detroit Metropolitan Wayne County (DTW) | 24 | Delta Air Lines | — |
| Washington Dulles International (IAD) | 21 | United Airlines | — |
| Midway (MDW) | 20 | Southwest Airlines Co. | — |
| George Bush Intercontinental (IAH) | 19 | United Airlines, Mesa Airlines, Inc. | — |
| Nashville International (BNA) | 18 | Southwest Airlines Co. | — |
| Dallas/Fort Worth International (DFW) | 18 | American Airlines | — |
| Du Bois-Jefferson County (DUJ) | 18 | New Axis Airways | — |
| Tampa International (TPA) | 17 | Southwest Airlines Co., Mexicana | — |
| Miami International Airport (MIA) | 16 | American Airlines | — |
| Raleigh-durham International Airport (RDU) | 16 | American Airlines, Mexicana | — |
| Fort Myers (RSW) | 13 | Southwest Airlines Co., Mexicana | — |
| Baltimore/Washington International Thurgood Marshall (BWI) | 12 | Southwest Airlines Co. | — |
| Port Columbus International (CMH) | 12 | Anic Airways | — |
| Fort Lauderdale–Hollywood International (FLL) | 12 | Spirit Airlines, Southwest Airlines Co. | — |
| Phoenix (PHX) | 12 | Southwest Airlines Co., Allegiant Air LLC | — |
| Lambert-St. Louis International (STL) | 10 | Southwest Airlines Co. | — |
| Las Vegas (LAS) | 9 | Southwest Airlines Co. | — |
| Fort Worth Alliance (AFW) | 7 | MN Airlines LLC | — |
| Love Field (DAL) | 7 | Southwest Airlines Co. | — |
| Los Angeles International (LAX) | 7 | American Airlines | — |
| Salt Lake City International (SLC) | 7 | Delta Air Lines | — |
| Lester B. Pearson International (YYZ) | 7 | Air Canada | — |
| Bradford (BFD) | 6 | New Axis Airways | — |
| William P Hobby (HOU) | 6 | Southwest Airlines Co. | — |
| Lancaster (LNS) | 6 | New Axis Airways | — |
| Seattle-Tacoma International (SEA) | 6 | Alaska Airlines | — |
| Louisville International (Standiford Field) (SDF) | 5 | UPS Airlines | — |
| Sarasota/Bradenton International (SRQ) | 5 | Southwest Airlines Co., Allegiant Air LLC | — |
| Charleston, AFB Municipal (CHS) | 4 | Mexicana | — |
| Indianapolis International (IND) | 4 | Federal Express | — |
| Heathrow (LHR) | 4 | British Airways | — |
| Memphis (MEM) | 4 | Federal Express | — |
| Bradley International (BDL) | 2 | Mexicana | — |
| Key West International Airport (EYW) | 2 | Allegiant Air LLC | — |
| Louis Armstrong New Orléans International Airport (MSY) | 2 | Mexicana | — |
| St. Petersburg-Clearwater International (PIE) | 2 | Allegiant Air LLC | — |
| Providence (PVD) | 2 | Mexicana | — |
| Cincinnati/Northern Kentucky (CVG) | 1 | Federal Express | — |
| 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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