Best Time to Fly PIT to BOS: On-Time Stats by Hour & Airline
Pittsburgh International → Logan International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 79.2% of Pittsburgh (PIT) to Boston (BOS) flights arrived on time (2,155 scheduled flights). That is 1.6 points above the national average of 77.6%.
Among 2 airlines, Republic Airways led with 81.7% on time and JetBlue was last with 76.4%.
Over 24 months, Saturday was the most reliable day (86% on time) and July the worst month (71%).
The cancellation rate was 3.2% (US average 1.8%).
PIT to BOS 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 | 81.7% | 62 min | 3.0% | 1,153 |
| JetBlue | 76.4% | 82 min | 3.5% | 1,002 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PIT to BOS
On-time arrival % by scheduled departure hour (local time), 4,401 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 10 | |
| 6am–7am | 92.6% | 1.6% | 913 |
| 7am–8am | 87.1% | 3.4% | 265 |
| 8am–9am | 88.7% | 2.0% | 99 |
| 9am–10am | 84.9% | 2.9% | 246 |
| 10am–11am | 87.9% | 0.2% | 414 |
| 11am–12pm | 85.1% | 0.6% | 513 |
| 12pm–1pm | 75.1% | 1.1% | 180 |
| 1pm–2pm | 67.5% | 2.4% | 82 |
| 2pm–3pm | 74.8% | 3.4% | 267 |
| 3pm–4pm | 73.9% | 1.7% | 117 |
| 4pm–5pm | 68.5% | 1.0% | 209 |
| 5pm–6pm | 72.8% | 3.9% | 356 |
| 6pm–7pm | 60.4% | 4.0% | 396 |
| 7pm–8pm | 69.5% | 6.4% | 235 |
| 8pm–9pm | 59.8% | 7.1% | 99 |
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 BOS
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) | 89.9% | +8.4 pts | 0.0% | 89 |
| Christmas & New Year (Dec 20 - Jan 3) | 75.6% | -5.9 pts | 3.2% | 124 |
| Summer peak (Jun 15 - Aug 15) | 74.6% | -6.8 pts | 6.0% | 886 |
| All other days | 81.5% | — | 1.5% | 3,302 |
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).