DL1033
DL1033 (Delta Air Lines) is a multi-stop service on 4 routes, busiest Raleigh to Boston. Of 575 departures recorded from October 2024 to July 2026, 76.3% left on time, according to the US BTS.
- On-time departures76.3%of 575 flights
- Average delay16.8 min
- July 202620▼ 25.9%vs July 2025
- Cancelled1.0%
- Legs flown under this number4
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 36 | 27 | ▼ 25.0% |
| February | 28 | 20 | ▼ 28.6% |
| March | 28 | 22 | ▼ 21.4% |
| April | 26 | 20 | ▼ 23.1% |
| May | 30 | 25 | ▼ 16.7% |
| June | 26 | 23 | ▼ 11.5% |
| July | 27 | 20 | ▼ 25.9% |
| August | 27 | – | – |
| September | 26 | – | – |
| October | 26 | – | in progress |
| November | 26 | – | – |
| December | 41 | – | – |
| Year to date (Jan–Jul) | 201 | 157 | ▼ 21.9% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 75.0% | 92.6% | ▲ 23.5% |
| February | 78.6% | 89.5% | ▲ 13.9% |
| March | 82.1% | 77.3% | ▼ 5.9% |
| April | 80.8% | 84.2% | ▲ 4.3% |
| May | 63.3% | 80.0% | ▲ 26.3% |
| June | 80.8% | 82.6% | ▲ 2.3% |
| July | 66.7% | 73.7% | ▲ 10.5% |
| August | 77.8% | – | – |
| September | 56.0% | – | – |
| October | 53.9% | – | in progress |
| November | 73.1% | – | – |
| December | 87.2% | – | – |
| Year-to-date average (Jan–Jul) | 75.3% | 82.8% | ▲ 10.0% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 0 | 3 |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.0% 569
- Cancelled 1.0% 6
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| RDU BOS Raleigh-Durham International Airport – Boston Logan International Airport | 984 | 18.6 min | 75.7% | 506 |
| HOU ATL William P. Hobby Airport – Hartsfield Jackson Atlanta International Airport | 1,118 | 2.3 min | 81.8% | 34 |
| ATL HOU Hartsfield Jackson Atlanta International Airport – William P. Hobby Airport | 1,118 | 3.4 min | 78.8% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 83.3% | 0 |
| November 2024 | 17 | 17 | 88.2% | 0 |
| December 2024 | 42 | 42 | 66.7% | 0 |
| January 2025 | 36 | 36 | 75.0% | 0 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 28 | 28 | 82.1% | 0 |
| April 2025 | 26 | 26 | 80.8% | 0 |
| May 2025 | 30 | 30 | 63.3% | 0 |
| June 2025 | 26 | 26 | 80.8% | 0 |
| July 2025 | 27 | 27 | 66.7% | 0 |
| August 2025 | 27 | 27 | 77.8% | 0 |
| September 2025 | 26 | 25 | 56.0% | 1 |
| October 2025 | 26 | 26 | 53.9% | 0 |
| November 2025 | 26 | 26 | 73.1% | 0 |
| December 2025 | 41 | 39 | 87.2% | 2 |
| January 2026 | 27 | 27 | 92.6% | 0 |
| February 2026 | 20 | 19 | 89.5% | 1 |
| March 2026 | 22 | 22 | 77.3% | 0 |
| April 2026 | 20 | 19 | 84.2% | 1 |
| May 2026 | 25 | 25 | 80.0% | 0 |
| June 2026 | 23 | 23 | 82.6% | 0 |
| July 2026 | 20 | 19 | 73.7% | 1 |