Route Reliability
Boston → Raleigh–Durham
BOS–RDU · 612 miles · Boston Logan International Airport to Raleigh–Durham International Airport
- 77%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 2.1%
- Cancelled
- 2,811
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines78%1,575 flights
- 2.Frontier Airlines77%151 flights
- 3.JetBlue Airways74%1,085 flights
What the data says
Morning flights do better here.
BOS–RDU flights departing between 6–9 AM arrived on time 87% of the time, versus 56% between 9 PM–12 AM.
Thursday is the weak spot.
BOS–RDU flights arrived on time 83% of the time on Wednesdays. On Thursdays: 71%.
Delta Air Lines has a slight edge here.
Delta Air Lines arrived on time 78% of the time on this route; JetBlue Airways managed 74%.
Ticking up lately.
BOS–RDU flights arrived on time 81% of the time over the last three months in the data, compared with 74% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon75%(418 flights)
- Tue81%(364 flights)
- Wed83%(371 flights)
- Thu71%(428 flights)
- Fri76%(428 flights)
- Sat81%(293 flights)
- Sun73%(449 flights)
- 3–6 AM—(1 flights)
- 6–9 AM87%(674 flights)
- 9 AM–12 PM87%(439 flights)
- 12–3 PM83%(526 flights)
- 3–6 PM69%(621 flights)
- 6–9 PM57%(419 flights)
- 9 PM–12 AM56%(71 flights)
Jun 78% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 78% | 237 |
| July 2025 | 77% | 226 |
| August 2025 | 75% | 228 |
| September 2025 | 74% | 253 |
| October 2025 | 74% | 285 |
| November 2025 | 78% | 246 |
| December 2025 | 70% | 246 |
| January 2026 | 77% | 153 |
| February 2026 | 75% | 156 |
| March 2026 | 74% | 218 |
| April 2026 | 84% | 243 |
| May 2026 | 84% | 260 |
Keep nerding
Based on 2,811 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.