DL1620
DL1620 (Delta Air Lines) is a multi-stop service on 12 routes, busiest New York to Miami. Of 518 departures recorded from November 2024 to July 2026, 77.7% left on time, according to the US BTS.
- On-time departures77.7%of 518 flights
- Average delay17.2 min
- July 202631▲ 287.5%vs July 2025
- Cancelled1.5%
- Legs flown under this number12
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 | 5 | 5 | 0.0% |
| February | – | 16 | – |
| March | 23 | 28 | ▲ 21.7% |
| April | 30 | 28 | ▼ 6.7% |
| May | 26 | 31 | ▲ 19.2% |
| June | 12 | 30 | ▲ 150.0% |
| July | 8 | 31 | ▲ 287.5% |
| August | 36 | – | – |
| September | 36 | – | – |
| October | 46 | – | in progress |
| November | 36 | – | – |
| December | 46 | – | – |
according to the US BTS · November 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 | 100.0% | 80.0% | ▼ 20.0% |
| February | – | 87.5% | – |
| March | 78.3% | 85.7% | ▲ 9.5% |
| April | 86.7% | 64.3% | ▼ 25.8% |
| May | 76.9% | 61.3% | ▼ 20.3% |
| June | 90.0% | 65.5% | ▼ 27.2% |
| July | 100.0% | 60.0% | ▼ 40.0% |
| August | 75.0% | – | – |
| September | 77.8% | – | – |
| October | 89.1% | – | in progress |
| November | 82.4% | – | – |
| December | 72.7% | – | – |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 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 | 2 | 1 | ▼ 50.0% |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
according to the US BTS · November 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 98.5% 510
- Cancelled 1.5% 8
Share of all recorded flights in the period, all legs. · Nov 11, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGA MIA LaGuardia Airport – Miami International Airport | 1,768 | 43.9 min | 60.2% | 110 |
| MOB ATL Mobile Regional Airport – Hartsfield Jackson Atlanta International Airport | 486 | 15.0 min | 82.4% | 87 |
| ATL MOB Hartsfield Jackson Atlanta International Airport – Mobile Regional Airport | 486 | 7.5 min | 76.5% | 87 |
| TPA MSP Tampa International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 2,105 | 10.1 min | 82.4% | 85 |
| AUS ATL Austin Bergstrom International Airport – Hartsfield Jackson Atlanta International Airport | 1,305 | 24.6 min | 76.5% | 34 |
| BNA BOS Nashville International Airport – Boston Logan International Airport | 1,514 | -1.0 min | 87.5% | 32 |
| STL DTW St. Louis Lambert International Airport – Detroit Metropolitan Wayne County Airport | 707 | 15.6 min | 83.9% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 16 | 16 | 100.0% | 0 |
| December 2024 | 29 | 29 | 75.9% | 0 |
| January 2025 | 5 | 5 | 100.0% | 0 |
| March 2025 | 23 | 23 | 78.3% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 26 | 26 | 76.9% | 0 |
| June 2025 | 12 | 10 | 90.0% | 2 |
| July 2025 | 8 | 8 | 100.0% | 0 |
| August 2025 | 36 | 36 | 75.0% | 0 |
| September 2025 | 36 | 36 | 77.8% | 0 |
| October 2025 | 46 | 46 | 89.1% | 0 |
| November 2025 | 36 | 34 | 82.4% | 2 |
| December 2025 | 46 | 44 | 72.7% | 2 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| February 2026 | 16 | 16 | 87.5% | 0 |
| March 2026 | 28 | 28 | 85.7% | 0 |
| April 2026 | 28 | 28 | 64.3% | 0 |
| May 2026 | 31 | 31 | 61.3% | 0 |
| June 2026 | 30 | 29 | 65.5% | 1 |
| July 2026 | 31 | 30 | 60.0% | 1 |