DL1684
DL1684 (Delta Air Lines) is a multi-stop service on 10 routes, busiest Atlanta to Valparaiso. Of 440 departures recorded from October 2024 to July 2026, 78.7% left on time, according to the US BTS.
- On-time departures78.7%of 440 flights
- Average delay15.7 min
- July 202631▲ 34.8%vs July 2025
- Cancelled0.7%
- Legs flown under this number10
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 4 | 26 | ▲ 550.0% |
| February | – | 28 | – |
| March | 23 | 21 | ▼ 8.7% |
| April | 24 | 18 | ▼ 25.0% |
| May | 22 | 31 | ▲ 40.9% |
| June | 28 | 30 | ▲ 7.1% |
| July | 23 | 31 | ▲ 34.8% |
| August | 7 | – | – |
| September | 1 | – | – |
| October | 22 | – | in progress |
| November | 21 | – | – |
| December | 28 | – | – |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 50.0% | 73.1% | ▲ 46.2% |
| February | – | 67.9% | – |
| March | 78.3% | 90.5% | ▲ 15.6% |
| April | 79.2% | 94.4% | ▲ 19.3% |
| May | 77.3% | 96.8% | ▲ 25.2% |
| June | 44.4% | 90.0% | ▲ 102.5% |
| July | 63.6% | 90.3% | ▲ 41.9% |
| August | 85.7% | – | – |
| September | 100.0% | – | – |
| October | 95.5% | – | in progress |
| November | 61.9% | – | – |
| December | 66.7% | – | – |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
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% 437
- Cancelled 0.7% 3
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL VPS Hartsfield Jackson Atlanta International Airport – Destin-Fort Walton Beach Airport | 402 | 21.9 min | 70.5% | 141 |
| AUS SEA Austin Bergstrom International Airport – Seattle–Tacoma International Airport | 2,848 | 5.7 min | 92.7% | 110 |
| DTW RSW Detroit Metropolitan Wayne County Airport – Southwest Florida International Airport | 1,750 | 22.3 min | 73.9% | 65 |
| LAX ATL Los Angeles International Airport – Hartsfield Jackson Atlanta International Airport | 3,126 | 18.1 min | 75.9% | 58 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 85.7% | 0 |
| November 2024 | 19 | 19 | 94.7% | 0 |
| December 2024 | 19 | 19 | 73.7% | 0 |
| January 2025 | 4 | 4 | 50.0% | 0 |
| March 2025 | 23 | 23 | 78.3% | 0 |
| April 2025 | 24 | 24 | 79.2% | 0 |
| May 2025 | 22 | 22 | 77.3% | 0 |
| June 2025 | 28 | 27 | 44.4% | 1 |
| July 2025 | 23 | 22 | 63.6% | 1 |
| August 2025 | 7 | 7 | 85.7% | 0 |
| September 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 22 | 22 | 95.5% | 0 |
| November 2025 | 21 | 21 | 61.9% | 0 |
| December 2025 | 28 | 27 | 66.7% | 1 |
| January 2026 | 26 | 26 | 73.1% | 0 |
| February 2026 | 28 | 28 | 67.9% | 0 |
| March 2026 | 21 | 21 | 90.5% | 0 |
| April 2026 | 18 | 18 | 94.4% | 0 |
| May 2026 | 31 | 31 | 96.8% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 31 | 31 | 90.3% | 0 |