Best Time to Fly BOS to RDU: On-Time Stats by Hour & Airline
Logan International → Raleigh-Durham International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 75.5% of Boston (BOS) to Raleigh/Durham (RDU) flights arrived on time (2,828 scheduled flights). That is 2.1 points below the national average of 77.6%.
Among 4 airlines, Republic Airways led with 82.0% on time and Frontier Airlines was last with 71.9%.
Over 24 months, Wednesday was the most reliable day (82% on time) and August the worst month (72%).
The cancellation rate was 2.7% (US average 1.8%).
BOS to RDU 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 | 82.0% | 75 min | 3.8% | 133 |
| Delta Air Lines | 77.5% | 85 min | 2.6% | 1,435 |
| JetBlue | 72.7% | 69 min | 3.0% | 1,092 |
| Frontier Airlines | 71.9% | 51 min | 0.0% | 168 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BOS to RDU
On-time arrival % by scheduled departure hour (local time), 5,858 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 1 | |
| 6am–7am | 90.0% | 2.6% | 916 |
| 7am–8am | 89.7% | 1.1% | 265 |
| 8am–9am | 78.8% | 0.8% | 261 |
| 9am–10am | 86.5% | 0.0% | 407 |
| 10am–11am | 87.1% | 2.3% | 485 |
| 11am–12pm | 74.3% | 6.0% | 149 |
| 12pm–1pm | 79.9% | 1.6% | 190 |
| 1pm–2pm | 81.9% | 0.5% | 641 |
| 2pm–3pm | 81.9% | 2.1% | 192 |
| 3pm–4pm | 79.0% | 1.4% | 213 |
| 4pm–5pm | 71.7% | 2.0% | 404 |
| 5pm–6pm | 65.7% | 0.8% | 496 |
| 6pm–7pm | 65.0% | 3.5% | 142 |
| 7pm–8pm | 58.9% | 2.7% | 443 |
| 8pm–9pm | 61.3% | 2.6% | 494 |
| 9pm–10pm | 54.2% | 2.5% | 159 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BOS to RDU
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) | 80.0% | +1.6 pts | 0.0% | 125 |
| Christmas & New Year (Dec 20 - Jan 3) | 72.4% | -6.0 pts | 2.7% | 220 |
| Summer peak (Jun 15 - Aug 15) | 71.7% | -6.7 pts | 3.5% | 991 |
| All other days | 78.4% | — | 1.5% | 4,522 |
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).