Airlines at Pittsburgh International Airport (PIT)
Pittsburgh, Pennsylvania KPIT #47 US airport by passengers
Airlines operating at PIT, ranked by number of departures.
On-time performance at PIT
Based on 11,503 departures from May 2026 to July 2026. A flight counts as late when it leaves 15 or more minutes after schedule.
| Airline | Departures | Late |
|---|---|---|
| Republic Airways | 3,144 | 13.1% |
| Southwest Airlines | 2,766 | 27.6% |
| American Airlines | 1,763 | 22.9% |
| United Airlines | 1,125 | 18.0% |
| Delta Air Lines | 916 | 13.6% |
| Allegiant Air | 500 | 18.6% |
| JetBlue Airways | 487 | 16.4% |
| SkyWest Airlines | 279 | 20.1% |
| PSA Airlines | 258 | 25.2% |
| Alaska Airlines | 171 | 25.1% |
Source: Bureau of Transportation Statistics, On-Time Performance of reporting carriers. Smaller regional carriers and some airlines are not included.
Airline presence
American and Southwest carry the most passengers. The airport's airline directory also lists Aer Lingus, Air Canada, Alaska, Allegiant, Breeze, British Airways, Delta, Frontier, Icelandair, JetBlue, Southern Airways, Sun Country and United, plus vacation charter companies.