Best Time to Fly RDU to PIT: On-Time Stats by Hour & Airline
Raleigh-Durham International → Pittsburgh International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 83.0% of Raleigh/Durham (RDU) to Pittsburgh (PIT) flights arrived on time (718 scheduled flights). That is 5.4 points above the national average of 77.6%.
Envoy Air was the most punctual of the 2 airlines on the route at 91.2%, while Republic Airways trailed at 82.6%.
November has been the best month (93% on time) and Friday the weakest day of the week (84%).
1.5% of flights were cancelled, versus 1.8% nationally.
RDU to PIT 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 |
|---|---|---|---|---|
| Envoy Air | 91.2% | 51 min | 8.1% | 37 |
| Republic Airways | 82.6% | 65 min | 1.2% | 681 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly RDU to PIT
On-time arrival % by scheduled departure hour (local time), 1,423 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 5 | |
| 6am–7am | 91.2% | 0.6% | 162 |
| 7am–8am | 92.0% | 1.7% | 240 |
| 8am–9am | 92.9% | 1.0% | 298 |
| 9am–10am | Limited data | 1 | |
| 10am–11am | Limited data | 2 | |
| 12pm–1pm | Limited data | 1 | |
| 2pm–3pm | Limited data | 2 | |
| 3pm–4pm | Limited data | 1 | |
| 4pm–5pm | Limited data | 11 | |
| 5pm–6pm | 93.9% | 3.9% | 51 |
| 6pm–7pm | 79.9% | 2.7% | 332 |
| 7pm–8pm | 74.4% | 1.3% | 316 |
| 8pm–9pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on RDU to PIT
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) | Limited data | 23 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 82.5% | -5.7 pts | 0.0% | 57 |
| Summer peak (Jun 15 - Aug 15) | 73.8% | -14.3 pts | 3.6% | 247 |
| All other days | 88.2% | — | 1.3% | 1,096 |
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).