DL1323
DL1323 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Atlanta to Miami. Of 1,225 departures recorded from October 2024 to July 2026, 61.4% left on time, according to the US BTS.
- On-time departures61.4%of 1,225 flights
- Average delay28.0 min
- July 202662▲ 3.3%vs July 2025
- Cancelled1.6%
- 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 | 62 | 62 | 0.0% |
| February | 56 | 56 | 0.0% |
| March | 62 | 62 | 0.0% |
| April | 60 | 60 | 0.0% |
| May | 54 | 54 | 0.0% |
| June | 58 | 58 | 0.0% |
| July | 60 | 62 | ▲ 3.3% |
| August | 47 | – | – |
| September | 50 | – | – |
| October | 49 | – | in progress |
| November | 38 | – | – |
| December | 53 | – | – |
| Year to date (Jan–Jul) | 412 | 414 | ▲ 0.5% |
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 | 61.0% | 59.3% | ▼ 2.8% |
| February | 69.6% | 71.4% | ▲ 2.6% |
| March | 67.7% | 62.1% | ▼ 8.4% |
| April | 70.7% | 70.0% | ▼ 1.0% |
| May | 68.5% | 57.4% | ▼ 16.2% |
| June | 31.6% | 65.5% | ▲ 107.5% |
| July | 31.7% | 53.3% | ▲ 68.4% |
| August | 44.4% | – | – |
| September | 66.0% | – | – |
| October | 53.1% | – | in progress |
| November | 63.2% | – | – |
| December | 68.6% | – | – |
| Year-to-date average (Jan–Jul) | 57.3% | 62.7% | ▲ 9.5% |
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 | 3 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 4 | – |
| April | 2 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 2 | – |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 6 | 9 | ▲ 50.0% |
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% 1,206
- Cancelled 1.6% 19
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 MIA Hartsfield Jackson Atlanta International Airport – Miami International Airport | 959 | 18.5 min | 67.4% | 653 |
| MIA ATL Miami International Airport – Hartsfield Jackson Atlanta International Airport | 959 | 39.0 min | 54.5% | 572 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 85.0% | 0 |
| November 2024 | 60 | 60 | 70.0% | 0 |
| December 2024 | 62 | 62 | 64.5% | 0 |
| January 2025 | 62 | 59 | 61.0% | 3 |
| February 2025 | 56 | 56 | 69.6% | 0 |
| March 2025 | 62 | 62 | 67.7% | 0 |
| April 2025 | 60 | 58 | 70.7% | 2 |
| May 2025 | 54 | 54 | 68.5% | 0 |
| June 2025 | 58 | 57 | 31.6% | 1 |
| July 2025 | 60 | 60 | 31.7% | 0 |
| August 2025 | 47 | 45 | 44.4% | 2 |
| September 2025 | 50 | 50 | 66.0% | 0 |
| October 2025 | 49 | 49 | 53.1% | 0 |
| November 2025 | 38 | 38 | 63.2% | 0 |
| December 2025 | 53 | 51 | 68.6% | 2 |
| January 2026 | 62 | 59 | 59.3% | 3 |
| February 2026 | 56 | 56 | 71.4% | 0 |
| March 2026 | 62 | 58 | 62.1% | 4 |
| April 2026 | 60 | 60 | 70.0% | 0 |
| May 2026 | 54 | 54 | 57.4% | 0 |
| June 2026 | 58 | 58 | 65.5% | 0 |
| July 2026 | 62 | 60 | 53.3% | 2 |