DL3120
DL3120 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Atlanta to Indianapolis. Of 631 departures recorded from October 2024 to July 2026, 81.5% left on time, according to the US BTS.
- On-time departures81.5%of 631 flights
- Average delay10.6 min
- July 202612▼ 61.3%vs July 2025
- Cancelled0.8%
- 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 | 27 | 21 | ▼ 22.2% |
| February | 50 | 41 | ▼ 18.0% |
| March | 37 | 38 | ▲ 2.7% |
| April | 30 | 30 | 0.0% |
| May | 31 | 44 | ▲ 41.9% |
| June | 30 | 12 | ▼ 60.0% |
| July | 31 | 12 | ▼ 61.3% |
| August | 31 | – | – |
| September | 29 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 19 | – | – |
| Year to date (Jan–Jul) | 236 | 198 | ▼ 16.1% |
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 | 81.5% | 80.0% | ▼ 1.8% |
| February | 86.0% | 82.9% | ▼ 3.6% |
| March | 83.8% | 72.2% | ▼ 13.8% |
| April | 86.7% | 90.0% | ▲ 3.8% |
| May | 64.5% | 81.8% | ▲ 26.8% |
| June | 69.0% | 100.0% | ▲ 45.0% |
| July | 80.7% | 75.0% | ▼ 7.0% |
| August | 87.1% | – | – |
| September | 89.7% | – | – |
| October | 83.9% | – | in progress |
| November | 75.9% | – | – |
| December | 68.4% | – | – |
| Year-to-date average (Jan–Jul) | 78.9% | 83.1% | ▲ 5.4% |
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 | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 3 | ▲ 200.0% |
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 99.2% 626
- Cancelled 0.8% 5
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 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 IND Hartsfield Jackson Atlanta International Airport – Indianapolis International Airport | 696 | 10.4 min | 81.0% | 540 |
| IND ATL Indianapolis International Airport – Hartsfield Jackson Atlanta International Airport | 696 | 11.5 min | 84.4% | 91 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 100.0% | 0 |
| November 2024 | 26 | 26 | 84.6% | 0 |
| December 2024 | 17 | 17 | 76.5% | 0 |
| January 2025 | 27 | 27 | 81.5% | 0 |
| February 2025 | 50 | 50 | 86.0% | 0 |
| March 2025 | 37 | 37 | 83.8% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 31 | 31 | 64.5% | 0 |
| June 2025 | 30 | 29 | 69.0% | 1 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 29 | 29 | 89.7% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 30 | 29 | 75.9% | 1 |
| December 2025 | 19 | 19 | 68.4% | 0 |
| January 2026 | 21 | 20 | 80.0% | 1 |
| February 2026 | 41 | 41 | 82.9% | 0 |
| March 2026 | 38 | 36 | 72.2% | 2 |
| April 2026 | 30 | 30 | 90.0% | 0 |
| May 2026 | 44 | 44 | 81.8% | 0 |
| June 2026 | 12 | 12 | 100.0% | 0 |
| July 2026 | 12 | 12 | 75.0% | 0 |