DL3126
DL3126 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Atlanta to Indianapolis. Of 569 departures recorded from October 2024 to July 2026, 82.6% left on time, according to the US BTS.
- On-time departures82.6%of 569 flights
- Average delay9.6 min
- July 202662▲ 1,140.0%vs July 2025
- Cancelled1.1%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 52 | 25 | ▼ 51.9% |
| February | 56 | 7 | ▼ 87.5% |
| March | 33 | 38 | ▲ 15.2% |
| April | 26 | 48 | ▲ 84.6% |
| May | 26 | 9 | ▼ 65.4% |
| June | 17 | 48 | ▲ 182.4% |
| July | 5 | 62 | ▲ 1,140.0% |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
| Year to date (Jan–Jul) | 215 | 237 | ▲ 10.2% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 83.7% | 79.2% | ▼ 5.4% |
| February | 83.9% | 71.4% | ▼ 14.9% |
| March | 78.8% | 83.3% | ▲ 5.8% |
| April | 80.8% | 83.3% | ▲ 3.2% |
| May | 76.9% | 77.8% | ▲ 1.1% |
| June | 70.6% | 87.5% | ▲ 24.0% |
| July | 100.0% | 74.2% | ▼ 25.8% |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
| Year-to-date average (Jan–Jul) | 82.1% | 79.5% | ▼ 3.1% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 3 | 1 | ▼ 66.7% |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
| Year to date (Jan–Jul) | 3 | 3 | 0.0% |
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 98.9% 563
- Cancelled 1.1% 6
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 IND Hartsfield Jackson Atlanta International Airport – Indianapolis International Airport | 696 | 6.4 min | 85.2% | 307 |
| IND ATL Indianapolis International Airport – Hartsfield Jackson Atlanta International Airport | 696 | 13.2 min | 79.5% | 262 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 97.5% | 0 |
| November 2024 | 57 | 57 | 87.7% | 0 |
| December 2024 | 20 | 20 | 75.0% | 0 |
| January 2025 | 52 | 49 | 83.7% | 3 |
| February 2025 | 56 | 56 | 83.9% | 0 |
| March 2025 | 33 | 33 | 78.8% | 0 |
| April 2025 | 26 | 26 | 80.8% | 0 |
| May 2025 | 26 | 26 | 76.9% | 0 |
| June 2025 | 17 | 17 | 70.6% | 0 |
| July 2025 | 5 | 5 | 100.0% | 0 |
| January 2026 | 25 | 24 | 79.2% | 1 |
| February 2026 | 7 | 7 | 71.4% | 0 |
| March 2026 | 38 | 36 | 83.3% | 2 |
| April 2026 | 48 | 48 | 83.3% | 0 |
| May 2026 | 9 | 9 | 77.8% | 0 |
| June 2026 | 48 | 48 | 87.5% | 0 |
| July 2026 | 62 | 62 | 74.2% | 0 |