DL3125
DL3125 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Indianapolis to Atlanta. Of 946 departures recorded from October 2024 to July 2026, 95.2% left on time, according to the US BTS.
- On-time departures95.2%of 946 flights
- Average delay-0.7 min
- July 202638▼ 17.4%vs July 2025
- Cancelled2.0%
- 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 | 30 | 44 | ▲ 46.7% |
| February | 28 | 22 | ▼ 21.4% |
| March | 51 | 42 | ▼ 17.6% |
| April | 56 | 54 | ▼ 3.6% |
| May | 51 | 46 | ▼ 9.8% |
| June | 48 | 40 | ▼ 16.7% |
| July | 46 | 38 | ▼ 17.4% |
| August | 40 | – | – |
| September | 34 | – | – |
| October | 46 | – | in progress |
| November | 36 | – | – |
| December | 58 | – | – |
| Year to date (Jan–Jul) | 310 | 286 | ▼ 7.7% |
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 | 96.7% | 80.5% | ▼ 16.7% |
| February | 100.0% | 90.9% | ▼ 9.1% |
| March | 98.0% | 97.6% | ▼ 0.4% |
| April | 91.1% | 96.0% | ▲ 5.4% |
| May | 98.0% | 100.0% | ▲ 2.0% |
| June | 100.0% | 100.0% | 0.0% |
| July | 95.7% | 100.0% | ▲ 4.5% |
| August | 92.5% | – | – |
| September | 100.0% | – | – |
| October | 93.5% | – | in progress |
| November | 94.1% | – | – |
| December | 94.6% | – | – |
| Year-to-date average (Jan–Jul) | 97.1% | 95.0% | ▼ 2.1% |
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 | 3 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 4 | – |
| May | 0 | 6 | – |
| June | 0 | 2 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 0 | 15 |
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 98.0% 927
- Cancelled 2.0% 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 |
|---|---|---|---|---|
| IND ATL Indianapolis International Airport – Hartsfield Jackson Atlanta International Airport | 696 | 0.2 min | 94.6% | 495 |
| ATL IND Hartsfield Jackson Atlanta International Airport – Indianapolis International Airport | 696 | -1.6 min | 95.7% | 451 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 32 | 32 | 96.9% | 0 |
| November 2024 | 44 | 44 | 90.9% | 0 |
| December 2024 | 60 | 60 | 90.0% | 0 |
| January 2025 | 30 | 30 | 96.7% | 0 |
| February 2025 | 28 | 28 | 100.0% | 0 |
| March 2025 | 51 | 51 | 98.0% | 0 |
| April 2025 | 56 | 56 | 91.1% | 0 |
| May 2025 | 51 | 51 | 98.0% | 0 |
| June 2025 | 48 | 48 | 100.0% | 0 |
| July 2025 | 46 | 46 | 95.7% | 0 |
| August 2025 | 40 | 40 | 92.5% | 0 |
| September 2025 | 34 | 34 | 100.0% | 0 |
| October 2025 | 46 | 46 | 93.5% | 0 |
| November 2025 | 36 | 34 | 94.1% | 2 |
| December 2025 | 58 | 56 | 94.6% | 2 |
| January 2026 | 44 | 41 | 80.5% | 3 |
| February 2026 | 22 | 22 | 90.9% | 0 |
| March 2026 | 42 | 42 | 97.6% | 0 |
| April 2026 | 54 | 50 | 96.0% | 4 |
| May 2026 | 46 | 40 | 100.0% | 6 |
| June 2026 | 40 | 38 | 100.0% | 2 |
| July 2026 | 38 | 38 | 100.0% | 0 |