Pittsburgh International (PIT) Delays and On-Time Departures
Pittsburgh, PA · ranked 111th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
82.3% of the 42,857 flights scheduled to depart Pittsburgh (PIT) in the last 12 months left on time, 4.9 points above the US average of 77.4%.
That ranks 111th of 333 US airports tracked on this site, with 2.0% of departures cancelled.
Among airlines at Pittsburgh (PIT), Republic Airways left on time most often (86.9%).
Over 24 months, Tuesday was the most reliable day (87% on time) and July the worst month (77%).
Best time of day to fly out of Pittsburgh (PIT)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 94.3% | 1.4% | 3,554 |
| 6am–7am | 94.2% | 1.3% | 12,897 |
| 7am–8am | 92.6% | 1.4% | 7,508 |
| 8am–9am | 92.1% | 1.2% | 6,236 |
| 9am–10am | 89.7% | 1.9% | 3,191 |
| 10am–11am | 88.7% | 1.2% | 5,891 |
| 11am–12pm | 87.1% | 1.3% | 4,474 |
| 12pm–1pm | 82.6% | 1.4% | 4,061 |
| 1pm–2pm | 83.2% | 1.5% | 4,349 |
| 2pm–3pm | 78.4% | 1.5% | 3,192 |
| 3pm–4pm | 74.5% | 2.0% | 3,836 |
| 4pm–5pm | 75.4% | 1.6% | 6,147 |
| 5pm–6pm | 72.4% | 2.1% | 7,309 |
| 6pm–7pm | 68.1% | 3.1% | 5,159 |
| 7pm–8pm | 69.9% | 2.6% | 5,600 |
| 8pm–9pm | 64.5% | 2.8% | 2,003 |
| 9pm–10pm | 55.7% | 2.3% | 687 |
| 10pm–11pm | 55.6% | 8.5% | 59 |
| 11pm–12am | Limited data | 2 | |
Airlines at PIT ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| Republic Airways | 86.9% | 84.0% | 3.1% | 11,621 |
| Delta Air Lines | 86.8% | 87.4% | 2.0% | 3,303 |
| United Airlines | 85.7% | 83.0% | 1.0% | 4,117 |
| JetBlue | 82.7% | 79.5% | 4.1% | 1,728 |
| Allegiant Air | 82.5% | 79.1% | 0.9% | 1,630 |
| Envoy Air | 81.2% | 68.4% | 3.0% | 438 |
| American Airlines | 81.2% | 80.3% | 1.6% | 5,877 |
| Spirit Airlines | 77.9% | 79.0% | 4.1% | 1,080 |
| Southwest Airlines | 77.6% | 80.5% | 0.7% | 10,370 |
| SkyWest Airlines | 76.9% | 75.5% | 1.6% | 1,164 |
| Alaska Airlines | 76.1% | 73.8% | 1.1% | 470 |
| PSA Airlines | 71.8% | 68.0% | 5.8% | 788 |
| Frontier Airlines | 70.4% | 71.6% | 0.7% | 271 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of PIT
On-time departures by day, 24 months.
Best month to fly out of PIT
On-time departures by month, 24 months.
Holiday travel at Pittsburgh (PIT)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 83.6% | -1.1 pts | 0.7% | 1,632 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.3% | -7.5 pts | 1.3% | 3,157 |
| Summer peak (Jun 15 - Aug 15) | 77.3% | -7.4 pts | 3.1% | 15,853 |
| All other days | 84.8% | — | 1.4% | 65,513 |
Monthly on-time departure trend at PIT
On-time departure % each month, with the 12-month US average for reference.
Routes from Pittsburgh (PIT)
Every route from PIT with its own page, by number of flights (last 12 months, on-time arrivals).