DL999
DL999 (Delta Air Lines) flies New York to Detroit. Of 657 departures recorded from October 2024 to July 2026, 65.1% left on time, according to the US BTS.
- On-time departures65.1%of 657 flights
- Average delay25.4 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.7%
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 212 | 212 | 0.0% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 64.5% | 60.0% | ▼ 7.0% |
| February | 59.3% | 80.8% | ▲ 36.3% |
| March | 61.3% | 74.2% | ▲ 21.0% |
| April | 80.0% | 70.0% | ▼ 12.5% |
| May | 58.1% | 48.4% | ▼ 16.7% |
| June | 50.0% | 64.3% | ▲ 28.6% |
| July | 40.7% | 55.6% | ▲ 36.4% |
| August | 76.7% | – | – |
| September | 76.7% | – | – |
| October | 83.3% | – | in progress |
| November | 62.1% | – | – |
| December | 48.3% | – | – |
| Year-to-date average (Jan–Jul) | 59.1% | 64.7% | ▲ 9.5% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 1 | 2 | ▲ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 2 | – |
| July | 4 | 4 | 0.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 5 | 9 | ▲ 80.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 97.3% 639
- Cancelled 2.7% 18
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGA DTW LaGuardia Airport – Detroit Metropolitan Wayne County Airport | 805 | 25.4 min | 65.1% | 657 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 70.0% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 31 | 31 | 54.8% | 0 |
| January 2025 | 31 | 31 | 64.5% | 0 |
| February 2025 | 28 | 27 | 59.3% | 1 |
| March 2025 | 31 | 31 | 61.3% | 0 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 31 | 31 | 58.1% | 0 |
| June 2025 | 30 | 30 | 50.0% | 0 |
| July 2025 | 31 | 27 | 40.7% | 4 |
| August 2025 | 31 | 30 | 76.7% | 1 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 31 | 30 | 83.3% | 1 |
| November 2025 | 29 | 29 | 62.1% | 0 |
| December 2025 | 31 | 29 | 48.3% | 2 |
| January 2026 | 31 | 30 | 60.0% | 1 |
| February 2026 | 28 | 26 | 80.8% | 2 |
| March 2026 | 31 | 31 | 74.2% | 0 |
| April 2026 | 30 | 30 | 70.0% | 0 |
| May 2026 | 31 | 31 | 48.4% | 0 |
| June 2026 | 30 | 28 | 64.3% | 2 |
| July 2026 | 31 | 27 | 55.6% | 4 |