DL1397
DL1397 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Atlanta to Austin. Of 1,261 departures recorded from October 2024 to July 2026, 78.0% left on time, according to the US BTS.
- On-time departures78.0%of 1,261 flights
- Average delay11.7 min
- July 202662▲ 0.0%vs July 2025
- Cancelled0.9%
- 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 | 47 | 55 | ▲ 17.0% |
| February | 44 | 56 | ▲ 27.3% |
| March | 58 | 62 | ▲ 6.9% |
| April | 60 | 60 | 0.0% |
| May | 62 | 62 | 0.0% |
| June | 60 | 60 | 0.0% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 58 | – | – |
| December | 47 | – | – |
| Year to date (Jan–Jul) | 393 | 417 | ▲ 6.1% |
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 | 84.4% | 78.0% | ▼ 7.6% |
| February | 81.8% | 90.7% | ▲ 10.9% |
| March | 86.2% | 87.1% | ▲ 1.0% |
| April | 88.3% | 90.0% | ▲ 1.9% |
| May | 64.5% | 82.3% | ▲ 27.5% |
| June | 53.3% | 68.3% | ▲ 28.1% |
| July | 61.3% | 54.8% | ▼ 10.5% |
| August | 67.7% | – | – |
| September | 85.0% | – | – |
| October | 82.3% | – | in progress |
| November | 86.0% | – | – |
| December | 69.6% | – | – |
| Year-to-date average (Jan–Jul) | 74.3% | 78.8% | ▲ 6.0% |
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 | 2 | 5 | ▲ 150.0% |
| February | 0 | 2 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 2 | 7 | ▲ 250.0% |
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 99.1% 1,250
- Cancelled 0.9% 11
Share of all recorded flights in the period, all legs. · Oct 12, 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 AUS Hartsfield Jackson Atlanta International Airport – Austin Bergstrom International Airport | 1,305 | 7.3 min | 81.1% | 653 |
| AUS ATL Austin Bergstrom International Airport – Hartsfield Jackson Atlanta International Airport | 1,305 | 16.4 min | 74.7% | 608 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 90.0% | 0 |
| November 2024 | 60 | 60 | 86.7% | 0 |
| December 2024 | 62 | 62 | 85.5% | 0 |
| January 2025 | 47 | 45 | 84.4% | 2 |
| February 2025 | 44 | 44 | 81.8% | 0 |
| March 2025 | 58 | 58 | 86.2% | 0 |
| April 2025 | 60 | 60 | 88.3% | 0 |
| May 2025 | 62 | 62 | 64.5% | 0 |
| June 2025 | 60 | 60 | 53.3% | 0 |
| July 2025 | 62 | 62 | 61.3% | 0 |
| August 2025 | 62 | 62 | 67.7% | 0 |
| September 2025 | 60 | 60 | 85.0% | 0 |
| October 2025 | 62 | 62 | 82.3% | 0 |
| November 2025 | 58 | 57 | 86.0% | 1 |
| December 2025 | 47 | 46 | 69.6% | 1 |
| January 2026 | 55 | 50 | 78.0% | 5 |
| February 2026 | 56 | 54 | 90.7% | 2 |
| March 2026 | 62 | 62 | 87.1% | 0 |
| April 2026 | 60 | 60 | 90.0% | 0 |
| May 2026 | 62 | 62 | 82.3% | 0 |
| June 2026 | 60 | 60 | 68.3% | 0 |
| July 2026 | 62 | 62 | 54.8% | 0 |