Flight profile · Delta Air Lines
DL817
Boston (BOS) to Raleigh–Durham (RDU) · scheduled 7:45 PM – 10:00 PM
How DL817 performs
587 operations, 2024-06-07 to 2026-06-28.
DL817 arrived on time 61.2% of the time, against 77.2% for all BOS → RDU flights — this specific departure is 16.0 percentage points worse than the route as a whole. Against Delta Air Lines’s own flights on this route it is 17.9 points worse.
Source: US DOT Bureau of Transportation Statistics · 587 operations between 2024-06-07 to 2026-06-28
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| DL817 | 61.2% | 2.39% | -3 min | 21.0% | 587 |
| Delta Air Lines on BOS → RDU | 79.1% | 1.42% | -10 min | 10.6% | 4,356 |
| All BOS → RDU flights | 77.2% | 1.70% | -9 min | 10.3% | 8,788 |
Source: FlyerIntel analysis of US DOT BTS data · 2024-06-07 to 2026-06-28
Other routes DL817 has flown
A flight number is a slot in a schedule, and carriers reassign it. These are the other city pairs this number served in the analysis period.
Because the same number has served different journeys, the statistics above describe only the route DL817 currently operates. Blending them would produce an average of two different flights.
Data and methodology
Calculated by FlyerIntel from 587 records of DL817 operating BOS → RDU, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule. Cancelled and diverted flights are excluded from the on-time rate and reported separately. Flight numbers are resolved as carrier plus number plus route, because the same number serves different routes over time.