DL2517
DL2517 (Delta Air Lines) is a multi-stop service on 11 routes, busiest Detroit to Greenville. Of 307 departures recorded from October 2024 to July 2026, 77.7% left on time, according to the US BTS.
- On-time departures77.7%of 307 flights
- Average delay14.3 min
- July 202644▲ 46.7%vs July 2025
- Cancelled0.7%
- Legs flown under this number11
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 | 1 | – | – |
| February | – | – | – |
| March | – | 10 | – |
| April | 1 | 5 | ▲ 400.0% |
| May | 1 | – | – |
| June | 23 | 4 | ▼ 82.6% |
| July | 30 | 44 | ▲ 46.7% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 24 | – | in progress |
| November | 18 | – | – |
| December | 17 | – | – |
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 | 100.0% | – | – |
| February | – | – | – |
| March | – | 90.0% | – |
| April | 100.0% | 100.0% | 0.0% |
| May | 100.0% | – | – |
| June | 60.9% | 100.0% | ▲ 64.3% |
| July | 80.0% | 60.5% | ▼ 24.4% |
| August | 77.4% | – | – |
| September | 90.0% | – | – |
| October | 70.8% | – | in progress |
| November | 82.4% | – | – |
| December | 58.8% | – | – |
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 | 0 | – | – |
| February | – | – | – |
| March | – | 0 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 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 99.3% 305
- Cancelled 0.7% 2
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 |
|---|---|---|---|---|
| DTW GSP Detroit Metropolitan Wayne County Airport – Greenville-Spartanburg International Airport | 820 | 16.2 min | 75.6% | 173 |
| FLL ATL Fort Lauderdale Hollywood International Airport – Hartsfield Jackson Atlanta International Airport | 936 | 2.5 min | 92.1% | 38 |
| MSY LAX Louis Armstrong New Orleans International Airport – Los Angeles International Airport | 2,682 | 1.5 min | 83.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 86.7% | 0 |
| December 2024 | 18 | 18 | 88.9% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| April 2025 | 1 | 1 | 100.0% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| June 2025 | 23 | 23 | 60.9% | 0 |
| July 2025 | 30 | 30 | 80.0% | 0 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 24 | 24 | 70.8% | 0 |
| November 2025 | 18 | 17 | 82.4% | 1 |
| December 2025 | 17 | 17 | 58.8% | 0 |
| March 2026 | 10 | 10 | 90.0% | 0 |
| April 2026 | 5 | 5 | 100.0% | 0 |
| June 2026 | 4 | 4 | 100.0% | 0 |
| July 2026 | 44 | 43 | 60.5% | 1 |