Best Time to Fly PIT to PHL: On-Time Stats by Hour & Airline
Pittsburgh International → Philadelphia International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 79.2% of Pittsburgh (PIT) to Philadelphia (PHL) flights arrived on time (1,207 scheduled flights). That is 1.5 points above the national average of 77.6%.
Republic Airways was the most punctual of the 4 airlines on the route at 90.5%, while Frontier Airlines trailed at 61.6%.
March has been the best month (88% on time) and Thursday the weakest day of the week (71%).
1.7% of flights were cancelled, versus 1.8% nationally.
PIT to PHL on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airways | 90.5% | 46 min | 1.7% | 301 |
| American Airlines | 78.2% | 98 min | 1.6% | 615 |
| PSA Airlines | 72.9% | 95 min | 2.5% | 204 |
| Frontier Airlines | 61.6% | 99 min | 1.1% | 87 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PIT to PHL
On-time arrival % by scheduled departure hour (local time), 2,900 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 94.4% | 2.2% | 91 |
| 6am–7am | 87.2% | 1.8% | 390 |
| 7am–8am | 87.3% | 2.0% | 249 |
| 8am–9am | 81.6% | 0.9% | 456 |
| 9am–10am | Limited data | 2 | |
| 10am–11am | 84.4% | 1.7% | 294 |
| 11am–12pm | 88.6% | 0.0% | 44 |
| 12pm–1pm | 78.9% | 2.1% | 237 |
| 1pm–2pm | 84.3% | 0.0% | 102 |
| 2pm–3pm | 75.9% | 0.0% | 58 |
| 3pm–4pm | 64.0% | 2.8% | 144 |
| 4pm–5pm | 32.6% | 4.5% | 289 |
| 5pm–6pm | 64.0% | 3.1% | 195 |
| 6pm–7pm | 66.7% | 3.2% | 220 |
| 7pm–8pm | 68.9% | 10.4% | 115 |
| 8pm–9pm | Limited data | 12 | |
| 9pm–10pm | Limited data | 2 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PIT to PHL
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 78.4% | +2.0 pts | 0.0% | 51 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.9% | -2.6 pts | 2.1% | 47 |
| Summer peak (Jun 15 - Aug 15) | 68.0% | -8.5 pts | 7.0% | 575 |
| All other days | 76.5% | — | 1.3% | 2,227 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).