DL1284
DL1284 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Atlanta to Houston. Of 633 departures recorded from October 2024 to July 2026, 69.4% left on time, according to the US BTS.
- On-time departures69.4%of 633 flights
- Average delay21.6 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.1%
- Legs flown under this number2
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 | 31 | 29 | ▼ 6.5% |
| February | 28 | 25 | ▼ 10.7% |
| March | 31 | 30 | ▼ 3.2% |
| April | 30 | 30 | 0.0% |
| May | 31 | 29 | ▼ 6.5% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 212 | 204 | ▼ 3.8% |
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 | 82.1% | 70.4% | ▼ 14.3% |
| February | 75.0% | 80.0% | ▲ 6.7% |
| March | 80.0% | 55.6% | ▼ 30.6% |
| April | 70.0% | 86.7% | ▲ 23.8% |
| May | 80.0% | 75.9% | ▼ 5.2% |
| June | 36.7% | 70.0% | ▲ 90.9% |
| July | 50.0% | 40.0% | ▼ 20.0% |
| August | 77.4% | – | – |
| September | 80.0% | – | – |
| October | 83.9% | – | in progress |
| November | 62.1% | – | – |
| December | 56.7% | – | – |
| Year-to-date average (Jan–Jul) | 67.7% | 68.4% | ▲ 1.0% |
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 | 3 | 2 | ▼ 33.3% |
| February | 0 | 0 | – |
| March | 1 | 3 | ▲ 200.0% |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 1 | 1 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 6 | 6 | 0.0% |
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 97.9% 620
- Cancelled 2.1% 13
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL IAH Hartsfield Jackson Atlanta International Airport – George Bush Intercontinental Airport | 1,108 | 20.9 min | 69.3% | 628 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 80.0% | 0 |
| November 2024 | 20 | 20 | 85.0% | 0 |
| December 2024 | 30 | 30 | 60.0% | 0 |
| January 2025 | 31 | 28 | 82.1% | 3 |
| February 2025 | 28 | 28 | 75.0% | 0 |
| March 2025 | 31 | 30 | 80.0% | 1 |
| April 2025 | 30 | 30 | 70.0% | 0 |
| May 2025 | 31 | 30 | 80.0% | 1 |
| June 2025 | 30 | 30 | 36.7% | 0 |
| July 2025 | 31 | 30 | 50.0% | 1 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 30 | 30 | 80.0% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 29 | 29 | 62.1% | 0 |
| December 2025 | 31 | 30 | 56.7% | 1 |
| January 2026 | 29 | 27 | 70.4% | 2 |
| February 2026 | 25 | 25 | 80.0% | 0 |
| March 2026 | 30 | 27 | 55.6% | 3 |
| April 2026 | 30 | 30 | 86.7% | 0 |
| May 2026 | 29 | 29 | 75.9% | 0 |
| June 2026 | 30 | 30 | 70.0% | 0 |
| July 2026 | 31 | 30 | 40.0% | 1 |