DL2577
DL2577 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Detroit to Newark. Of 1,268 departures recorded from October 2024 to July 2026, 78.1% left on time, according to the US BTS.
- On-time departures78.1%of 1,268 flights
- Average delay14.9 min
- July 202662▲ 0.0%vs July 2025
- Cancelled2.1%
- 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 | 62 | 62 | 0.0% |
| February | 56 | 56 | 0.0% |
| March | 62 | 62 | 0.0% |
| April | 56 | 60 | ▲ 7.1% |
| May | 62 | 62 | 0.0% |
| June | 60 | 60 | 0.0% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 56 | – | – |
| October | 60 | – | in progress |
| November | 60 | – | – |
| December | 62 | – | – |
| Year to date (Jan–Jul) | 420 | 424 | ▲ 1.0% |
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 | 68.9% | 68.3% | ▼ 0.8% |
| February | 78.6% | 86.5% | ▲ 10.1% |
| March | 79.0% | 80.7% | ▲ 2.0% |
| April | 82.1% | 93.3% | ▲ 13.6% |
| May | 58.3% | 74.1% | ▲ 27.1% |
| June | 71.2% | 88.1% | ▲ 23.8% |
| July | 75.4% | 82.5% | ▲ 9.3% |
| August | 79.0% | – | – |
| September | 91.1% | – | – |
| October | 85.0% | – | in progress |
| November | 77.6% | – | – |
| December | 49.2% | – | – |
| Year-to-date average (Jan–Jul) | 73.4% | 81.9% | ▲ 11.7% |
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 | 2 | ▲ 100.0% |
| February | 0 | 4 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 2 | 4 | ▲ 100.0% |
| June | 1 | 1 | 0.0% |
| July | 1 | 5 | ▲ 400.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 3 | – | – |
| Year to date (Jan–Jul) | 5 | 16 | ▲ 220.0% |
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 97.9% 1,242
- Cancelled 2.1% 26
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 |
|---|---|---|---|---|
| DTW EWR Detroit Metropolitan Wayne County Airport – Newark Liberty International Airport | 784 | 12.2 min | 79.7% | 653 |
| EWR DTW Newark Liberty International Airport – Detroit Metropolitan Wayne County Airport | 784 | 17.7 min | 76.4% | 615 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 90.0% | 0 |
| November 2024 | 40 | 40 | 87.5% | 0 |
| December 2024 | 44 | 44 | 81.8% | 0 |
| January 2025 | 62 | 61 | 68.9% | 1 |
| February 2025 | 56 | 56 | 78.6% | 0 |
| March 2025 | 62 | 62 | 79.0% | 0 |
| April 2025 | 56 | 56 | 82.1% | 0 |
| May 2025 | 62 | 60 | 58.3% | 2 |
| June 2025 | 60 | 59 | 71.2% | 1 |
| July 2025 | 62 | 61 | 75.4% | 1 |
| August 2025 | 62 | 62 | 79.0% | 0 |
| September 2025 | 56 | 56 | 91.1% | 0 |
| October 2025 | 60 | 60 | 85.0% | 0 |
| November 2025 | 60 | 58 | 77.6% | 2 |
| December 2025 | 62 | 59 | 49.2% | 3 |
| January 2026 | 62 | 60 | 68.3% | 2 |
| February 2026 | 56 | 52 | 86.5% | 4 |
| March 2026 | 62 | 62 | 80.7% | 0 |
| April 2026 | 60 | 60 | 93.3% | 0 |
| May 2026 | 62 | 58 | 74.1% | 4 |
| June 2026 | 60 | 59 | 88.1% | 1 |
| July 2026 | 62 | 57 | 82.5% | 5 |