DL1254
DL1254 (Delta Air Lines) is a multi-stop service on 4 routes, busiest Houston to Atlanta. Of 1,197 departures recorded from October 2024 to July 2026, 79.7% left on time, according to the US BTS.
- On-time departures79.7%of 1,197 flights
- Average delay10.7 min
- July 202662▲ 24.0%vs July 2025
- Cancelled1.3%
- 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 | 56 | 60 | ▲ 7.1% |
| February | 48 | 56 | ▲ 16.7% |
| March | 52 | 62 | ▲ 19.2% |
| April | 56 | 60 | ▲ 7.1% |
| May | 62 | 62 | 0.0% |
| June | 48 | 60 | ▲ 25.0% |
| July | 50 | 62 | ▲ 24.0% |
| August | 59 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 56 | – | – |
| December | 56 | – | – |
| Year to date (Jan–Jul) | 372 | 422 | ▲ 13.4% |
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 | 80.8% | 78.3% | ▼ 3.0% |
| February | 58.3% | 83.9% | ▲ 43.9% |
| March | 76.9% | 80.7% | ▲ 4.8% |
| April | 78.6% | 100.0% | ▲ 27.3% |
| May | 58.1% | 98.4% | ▲ 69.5% |
| June | 60.0% | 90.0% | ▲ 50.0% |
| July | 62.0% | 95.2% | ▲ 53.5% |
| August | 81.4% | – | – |
| September | 81.7% | – | – |
| October | 76.7% | – | in progress |
| November | 74.1% | – | – |
| December | 88.5% | – | – |
| Year-to-date average (Jan–Jul) | 67.8% | 89.5% | ▲ 32.0% |
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 | 4 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 3 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 2 | – | in progress |
| November | 2 | – | – |
| December | 4 | – | – |
| Year to date (Jan–Jul) | 7 | 0 | ▼ 100.0% |
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 98.7% 1,182
- Cancelled 1.3% 15
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 |
|---|---|---|---|---|
| HOU ATL William P. Hobby Airport – Hartsfield Jackson Atlanta International Airport | 1,118 | 19.5 min | 75.1% | 393 |
| ATL HOU Hartsfield Jackson Atlanta International Airport – William P. Hobby Airport | 1,118 | 12.7 min | 73.0% | 388 |
| SLC SJC Salt Lake City International Airport – Mineta San Jose International Airport | 939 | 2.0 min | 88.9% | 208 |
| SJC SLC Mineta San Jose International Airport – Salt Lake City International Airport | 939 | -0.8 min | 91.4% | 208 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 24 | 24 | 91.7% | 0 |
| November 2024 | 34 | 34 | 73.5% | 0 |
| December 2024 | 52 | 52 | 76.9% | 0 |
| January 2025 | 56 | 52 | 80.8% | 4 |
| February 2025 | 48 | 48 | 58.3% | 0 |
| March 2025 | 52 | 52 | 76.9% | 0 |
| April 2025 | 56 | 56 | 78.6% | 0 |
| May 2025 | 62 | 62 | 58.1% | 0 |
| June 2025 | 48 | 45 | 60.0% | 3 |
| July 2025 | 50 | 50 | 62.0% | 0 |
| August 2025 | 59 | 59 | 81.4% | 0 |
| September 2025 | 60 | 60 | 81.7% | 0 |
| October 2025 | 62 | 60 | 76.7% | 2 |
| November 2025 | 56 | 54 | 74.1% | 2 |
| December 2025 | 56 | 52 | 88.5% | 4 |
| January 2026 | 60 | 60 | 78.3% | 0 |
| February 2026 | 56 | 56 | 83.9% | 0 |
| March 2026 | 62 | 62 | 80.7% | 0 |
| April 2026 | 60 | 60 | 100.0% | 0 |
| May 2026 | 62 | 62 | 98.4% | 0 |
| June 2026 | 60 | 60 | 90.0% | 0 |
| July 2026 | 62 | 62 | 95.2% | 0 |