About 1 in 8 DL 2066 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (13%); 3.5% were cancelled. The typical flight landed 18 minutes early.
DL 2066: BOS → RDU
Scheduled to leave Boston at 6:30 a.m. local time. Over the past year it arrived on time 87% of the time (288 flights), in line with other DL flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 49 | 86% |
| Tuesday | 48 | 88% |
| Wednesday | 47 | 89% |
| Thursday | 46 | 91% |
| Friday | 46 | 80% |
| Saturday | 12 | — |
| Sunday | 40 | 85% |
Why it was late
All flights BOS → RDU · Connecting off DL 2066? Check the risk
Questions
How often is DL 2066 from BOS to RDU late?
Delta Air Lines 2066 from Boston, MA to Raleigh/Durham, NC arrived 15 or more minutes late, was diverted or was cancelled on 13% of 288 scheduled flights between September 2025 and August 2026. 3.5% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.