Airport reliability
Pittsburgh (PIT) on-time performance
How reliably flights leave Pittsburgh, PA (PIT) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Pittsburgh, PA42,768 departures in 12 months
- Departures on time
- 78.8% U.S. average 75.6%
- Cancelled
- 2.2% U.S. average 1.9%
- 60+ minutes late
- 7.0% U.S. average 8.1%
- Scheduled departures
- 42,768 12 months
What this means
PIT departures beat the U.S. average.
- 78.8% of the 42,768 scheduled departures from Pittsburgh (PIT) arrived at their destination on time, 3.2 points higher than the U.S. average of 75.6%.
- 2.2% of departures were cancelled (U.S. average 1.9%), and 7.0% arrived an hour or more late.
- Flights arriving at PIT were on time 74.7% of the time.
- Among airlines with at least 300 departures, Delta Air Lines was the most punctual from PIT (85.2%) and PSA Airlines the least (62.7%).
- Over the last 3 years, November was the most reliable month for departures from PIT (86.9% on time) and July the least reliable (73.2%).
- Cancellations peaked in July, when 3.7% of flights were cancelled.
- Flights scheduled to depart before 6 am were the most punctual (91.6% on time); flights scheduled to depart 9 pm to 10 pm were the least (53.7%).
Airlines at PIT
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| Delta Air Lines | 85.2% | 1.8% | 4.4% | 69 min | 3,305 |
| United Airlines | 81.2% | 1.0% | 6.9% | 86 min | 4,173 |
| Republic AirwaysSold as American Eagle, Delta Connection, United Express | 80.2% | 3.5% | 6.4% | 71 min | 11,641 |
| Southwest Airlines | 78.5% | 0.7% | 5.8% | 57 min | 10,398 |
| American Airlines | 78.5% | 1.5% | 8.6% | 106 min | 5,853 |
| Allegiant Air | 77.6% | 0.9% | 8.8% | 98 min | 1,607 |
| Spirit Airlines | 75.1% | 4.7% | 7.1% | 69 min | 935 |
| JetBlue Airways | 74.6% | 4.9% | 8.6% | 82 min | 1,761 |
| SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska | 73.5% | 1.8% | 12.6% | 115 min | 1,126 |
| Alaska Airlines | 73.2% | 1.1% | 6.3% | 50 min | 474 |
| Frontier Airlines | 70.7% | 1.5% | 13.1% | 77 min | 259 |
| Envoy AirSold as American Eagle | 64.0% | 2.8% | 8.8% | 63 min | 386 |
| PSA AirlinesSold as American Eagle | 62.7% | 7.4% | 12.5% | 94 min | 850 |
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time PIT average 78.8%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 91.6% | 1,627 |
| Departing 6 am to 7 am | 89.6% | 6,579 |
| Departing 7 am to 8 am | 86.8% | 3,844 |
| Departing 8 am to 9 am | 84.9% | 3,061 |
| Departing 9 am to 10 am | 84.3% | 1,737 |
| Departing 10 am to 11 am | 86.2% | 3,102 |
| Departing 11 am to noon | 83.3% | 2,133 |
| Departing noon to 1 pm | 77.2% | 1,907 |
| Departing 1 pm to 2 pm | 78.3% | 2,133 |
| Departing 2 pm to 3 pm | 71.2% | 1,452 |
| Departing 3 pm to 4 pm | 71.0% | 2,095 |
| Departing 4 pm to 5 pm | 71.8% | 2,739 |
| Departing 5 pm to 6 pm | 67.7% | 3,408 |
| Departing 6 pm to 7 pm | 64.0% | 2,584 |
| Departing 7 pm to 8 pm | 68.8% | 2,951 |
| Departing 8 pm to 9 pm | 61.1% | 1,120 |
| Departing 9 pm to 10 pm | 53.7% | 270 |
| Departing 10 pm to 11 pm | Insufficient sample | 26 |
Best and worst months at PIT
Share of scheduled flights on time 12-month average 78.8%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 75.3% | 9,420 |
| February | 82.2% | 9,007 |
| March | 81.3% | 10,615 |
| April | 83.9% | 10,740 |
| May | 79.9% | 11,360 |
| June | 76.4% | 11,577 |
| July | 73.2% | 11,982 |
| August | 75.9% | 11,593 |
| September | 85.4% | 10,868 |
| October | 86.8% | 11,526 |
| November | 86.9% | 10,398 |
| December | 79.3% | 10,238 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 85.6% | 3,672 |
| Oct 2025 | 82.2% | 3,850 |
| Nov 2025 | 82.8% | 3,510 |
| Dec 2025 | 72.0% | 3,474 |
| Jan 2026 | 74.3% | 3,099 |
| Feb 2026 | 81.2% | 2,943 |
| Mar 2026 | 76.2% | 3,434 |
| Apr 2026 | 84.7% | 3,531 |
| May 2026 | 83.7% | 3,778 |
| Jun 2026 | 77.5% | 3,815 |
| Jul 2026 | 73.9% | 3,910 |
| Aug 2026 | 71.2% | 3,752 |
Busiest routes from PIT
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Chicago (ORD) | 75.3% | 2.2% | 5 | 4,031 |
| New York (LGA) | 75.2% | 5.7% | 2 | 3,012 |
| Atlanta (ATL) | 87.1% | 1.9% | 2 | 2,737 |
| Orlando (MCO) | 77.7% | 1.3% | 4 | 2,237 |
| Boston (BOS) | 75.3% | 3.8% | 2 | 2,162 |
| Charlotte (CLT) | 80.9% | 1.8% | 2 | 1,981 |
| New York (JFK) | 81.8% | 4.6% | 2 | 1,764 |
| Newark (EWR) | 82.5% | 5.1% | 3 | 1,741 |
| Denver (DEN) | 80.1% | 0.7% | 3 | 1,623 |
| Dallas/Fort Worth (DFW) | 79.9% | 1.5% | 2 | 1,511 |
| Washington (DCA) | 64.9% | 3.5% | 4 | 1,413 |
| Washington (IAD) | 86.7% | 1.4% | 2 | 1,210 |
| Philadelphia (PHL) | 78.2% | 3.3% | 4 | 1,192 |
| Fort Lauderdale (FLL) | 76.2% | 3.1% | 3 | 1,102 |
| Nashville (BNA) | 80.7% | 0.7% | 2 | 1,101 |
| Chicago (MDW) | 75.4% | 1.1% | 1 | 1,097 |
| Baltimore (BWI) | 84.0% | 1.4% | 1 | 1,071 |
| Detroit (DTW) | 77.2% | 1.3% | 3 | 1,005 |
| Tampa (TPA) | 78.3% | 0.2% | 2 | 814 |
| Houston (IAH) | 85.0% | 0.1% | 1 | 809 |
Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from Pittsburgh, PA (PIT) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.