DL436
DL436 (Delta Air Lines) is a multi-stop service on 6 routes, busiest Atlanta to Dallas-Fort Worth. Of 896 departures recorded from October 2024 to July 2026, 65.3% left on time, according to the US BTS.
- On-time departures65.3%of 896 flights
- Average delay25.8 min
- July 202631▼ 31.1%vs July 2025
- Cancelled3.1%
- 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 | 38 | 48 | ▲ 26.3% |
| February | 28 | 37 | ▲ 32.1% |
| March | 36 | 34 | ▼ 5.6% |
| April | 34 | 46 | ▲ 35.3% |
| May | 39 | 29 | ▼ 25.6% |
| June | 42 | 28 | ▼ 33.3% |
| July | 45 | 31 | ▼ 31.1% |
| August | 50 | – | – |
| September | 59 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 52 | – | – |
| Year to date (Jan–Jul) | 262 | 253 | ▼ 3.4% |
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 | 70.6% | 57.5% | ▼ 18.5% |
| February | 60.7% | 89.2% | ▲ 46.9% |
| March | 44.4% | 52.9% | ▲ 19.1% |
| April | 52.9% | 78.3% | ▲ 47.8% |
| May | 43.6% | 75.0% | ▲ 72.1% |
| June | 52.4% | 59.3% | ▲ 13.1% |
| July | 48.8% | 38.7% | ▼ 20.6% |
| August | 68.0% | – | – |
| September | 86.4% | – | – |
| October | 65.5% | – | in progress |
| November | 79.3% | – | – |
| December | 68.8% | – | – |
| Year-to-date average (Jan–Jul) | 53.3% | 64.4% | ▲ 20.7% |
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 | 4 | 8 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 1 | – |
| July | 4 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 4 | – | in progress |
| November | 2 | – | – |
| December | 4 | – | – |
| Year to date (Jan–Jul) | 8 | 10 | ▲ 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 96.9% 868
- Cancelled 3.1% 28
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL DFW Hartsfield Jackson Atlanta International Airport – Dallas Fort Worth International Airport | 1,175 | 24.7 min | 63.3% | 481 |
| DFW ATL Dallas Fort Worth International Airport – Hartsfield Jackson Atlanta International Airport | 1,175 | 27.8 min | 67.3% | 398 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 48 | 48 | 70.8% | 0 |
| December 2024 | 30 | 30 | 63.3% | 0 |
| January 2025 | 38 | 34 | 70.6% | 4 |
| February 2025 | 28 | 28 | 60.7% | 0 |
| March 2025 | 36 | 36 | 44.4% | 0 |
| April 2025 | 34 | 34 | 52.9% | 0 |
| May 2025 | 39 | 39 | 43.6% | 0 |
| June 2025 | 42 | 42 | 52.4% | 0 |
| July 2025 | 45 | 41 | 48.8% | 4 |
| August 2025 | 50 | 50 | 68.0% | 0 |
| September 2025 | 59 | 59 | 86.4% | 0 |
| October 2025 | 62 | 58 | 65.5% | 4 |
| November 2025 | 60 | 58 | 79.3% | 2 |
| December 2025 | 52 | 48 | 68.8% | 4 |
| January 2026 | 48 | 40 | 57.5% | 8 |
| February 2026 | 37 | 37 | 89.2% | 0 |
| March 2026 | 34 | 34 | 52.9% | 0 |
| April 2026 | 46 | 46 | 78.3% | 0 |
| May 2026 | 29 | 28 | 75.0% | 1 |
| June 2026 | 28 | 27 | 59.3% | 1 |
| July 2026 | 31 | 31 | 38.7% | 0 |