DL512
DL512 (Delta Air Lines) is a multi-stop service on 6 routes, busiest Atlanta to Dallas. Of 1,133 departures recorded from October 2024 to July 2026, 76.2% left on time, according to the US BTS.
- On-time departures76.2%of 1,133 flights
- Average delay14.1 min
- July 202662▲ 0.0%vs July 2025
- Cancelled1.6%
- Legs flown under this number6
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 | 34 | 62 | ▲ 82.4% |
| February | 32 | 56 | ▲ 75.0% |
| March | 31 | 62 | ▲ 100.0% |
| April | 30 | 60 | ▲ 100.0% |
| May | 56 | 62 | ▲ 10.7% |
| June | 60 | 60 | 0.0% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 59 | – | – |
| Year to date (Jan–Jul) | 305 | 424 | ▲ 39.0% |
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 | 71.9% | 66.7% | ▼ 7.2% |
| February | 62.5% | 78.6% | ▲ 25.7% |
| March | 90.3% | 72.4% | ▼ 19.8% |
| April | 83.3% | 71.7% | ▼ 14.0% |
| May | 62.5% | 79.0% | ▲ 26.4% |
| June | 58.9% | 81.7% | ▲ 38.6% |
| July | 80.0% | 69.4% | ▼ 13.3% |
| August | 95.0% | – | – |
| September | 80.0% | – | – |
| October | 79.0% | – | in progress |
| November | 71.7% | – | – |
| December | 82.5% | – | – |
| Year-to-date average (Jan–Jul) | 72.8% | 74.2% | ▲ 1.9% |
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 | 2 | 2 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 4 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 4 | 0 | ▼ 100.0% |
| July | 2 | 0 | ▼ 100.0% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 8 | 6 | ▼ 25.0% |
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 98.4% 1,115
- Cancelled 1.6% 18
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL DAL Hartsfield Jackson Atlanta International Airport – Dallas Love Field | 1,158 | 7.0 min | 81.2% | 515 |
| DAL ATL Dallas Love Field – Hartsfield Jackson Atlanta International Airport | 1,158 | 22.9 min | 69.1% | 514 |
| SAT DTW San Antonio International Airport – Detroit Metropolitan Wayne County Airport | 1,954 | -1.2 min | 87.5% | 40 |
| FLL DTW Fort Lauderdale Hollywood International Airport – Detroit Metropolitan Wayne County Airport | 1,819 | 17.2 min | 86.1% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 95.7% | 0 |
| November 2024 | 34 | 34 | 79.4% | 0 |
| December 2024 | 44 | 44 | 79.6% | 0 |
| January 2025 | 34 | 32 | 71.9% | 2 |
| February 2025 | 32 | 32 | 62.5% | 0 |
| March 2025 | 31 | 31 | 90.3% | 0 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 56 | 56 | 62.5% | 0 |
| June 2025 | 60 | 56 | 58.9% | 4 |
| July 2025 | 62 | 60 | 80.0% | 2 |
| August 2025 | 62 | 60 | 95.0% | 2 |
| September 2025 | 60 | 60 | 80.0% | 0 |
| October 2025 | 62 | 62 | 79.0% | 0 |
| November 2025 | 60 | 60 | 71.7% | 0 |
| December 2025 | 59 | 57 | 82.5% | 2 |
| January 2026 | 62 | 60 | 66.7% | 2 |
| February 2026 | 56 | 56 | 78.6% | 0 |
| March 2026 | 62 | 58 | 72.4% | 4 |
| April 2026 | 60 | 60 | 71.7% | 0 |
| May 2026 | 62 | 62 | 79.0% | 0 |
| June 2026 | 60 | 60 | 81.7% | 0 |
| July 2026 | 62 | 62 | 69.4% | 0 |