DL997
DL997 (Delta Air Lines) is a multi-stop service on 6 routes, busiest Atlanta to New York. Of 595 departures recorded from October 2024 to July 2026, 70.5% left on time, according to the US BTS.
- On-time departures70.5%of 595 flights
- Average delay21.7 min
- July 202631▲ 0.0%vs July 2025
- Cancelled3.9%
- Legs flown under this number6
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 | 15 | 31 | ▲ 106.7% |
| February | 27 | 28 | ▲ 3.7% |
| March | 36 | 31 | ▼ 13.9% |
| April | 22 | 30 | ▲ 36.4% |
| May | 26 | 31 | ▲ 19.2% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 187 | 212 | ▲ 13.4% |
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 | 85.7% | 76.7% | ▼ 10.5% |
| February | 96.3% | 84.6% | ▼ 12.1% |
| March | 80.6% | 64.3% | ▼ 20.2% |
| April | 86.4% | 73.3% | ▼ 15.1% |
| May | 57.7% | 65.5% | ▲ 13.6% |
| June | 39.3% | 71.4% | ▲ 81.8% |
| July | 55.2% | 59.3% | ▲ 7.4% |
| August | 67.7% | – | – |
| September | 76.7% | – | – |
| October | 70.0% | – | in progress |
| November | 56.7% | – | – |
| December | 57.1% | – | – |
| Year-to-date average (Jan–Jul) | 71.6% | 70.7% | ▼ 1.2% |
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 | 1 | 1 | 0.0% |
| February | 0 | 2 | – |
| March | 0 | 3 | – |
| April | 0 | 0 | – |
| May | 0 | 2 | – |
| June | 2 | 2 | 0.0% |
| July | 2 | 4 | ▲ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 3 | – | – |
| Year to date (Jan–Jul) | 5 | 14 | ▲ 180.0% |
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 96.1% 572
- Cancelled 3.9% 23
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL LGA Hartsfield Jackson Atlanta International Airport – LaGuardia Airport | 1,225 | 27.6 min | 64.8% | 443 |
| GSO ATL Piedmont Triad International Airport – Hartsfield Jackson Atlanta International Airport | 493 | 3.0 min | 91.8% | 50 |
| SNA ATL John Wayne Orange County International Airport – Hartsfield Jackson Atlanta International Airport | 3,081 | 12.1 min | 86.8% | 38 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 66.7% | 0 |
| November 2024 | 22 | 22 | 95.5% | 0 |
| December 2024 | 18 | 18 | 77.8% | 0 |
| January 2025 | 15 | 14 | 85.7% | 1 |
| February 2025 | 27 | 27 | 96.3% | 0 |
| March 2025 | 36 | 36 | 80.6% | 0 |
| April 2025 | 22 | 22 | 86.4% | 0 |
| May 2025 | 26 | 26 | 57.7% | 0 |
| June 2025 | 30 | 28 | 39.3% | 2 |
| July 2025 | 31 | 29 | 55.2% | 2 |
| August 2025 | 31 | 31 | 67.7% | 0 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 31 | 30 | 70.0% | 1 |
| November 2025 | 30 | 30 | 56.7% | 0 |
| December 2025 | 31 | 28 | 57.1% | 3 |
| January 2026 | 31 | 30 | 76.7% | 1 |
| February 2026 | 28 | 26 | 84.6% | 2 |
| March 2026 | 31 | 28 | 64.3% | 3 |
| April 2026 | 30 | 30 | 73.3% | 0 |
| May 2026 | 31 | 29 | 65.5% | 2 |
| June 2026 | 30 | 28 | 71.4% | 2 |
| July 2026 | 31 | 27 | 59.3% | 4 |