DL1961
DL1961 (Delta Air Lines) is a multi-stop service on 2 routes, busiest New York to San Juan. Of 1,139 departures recorded from October 2024 to July 2026, 87.5% left on time, according to the US BTS.
- On-time departures87.5%of 1,139 flights
- Average delay5.8 min
- July 202662▲ 0.0%vs July 2025
- Cancelled1.0%
- 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 | 31 | 36 | ▲ 16.1% |
| February | 28 | 28 | 0.0% |
| March | 54 | 31 | ▼ 42.6% |
| April | 60 | 48 | ▼ 20.0% |
| May | 62 | 62 | 0.0% |
| June | 60 | 60 | 0.0% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 58 | – | – |
| December | 62 | – | – |
| Year to date (Jan–Jul) | 357 | 327 | ▼ 8.4% |
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 | 80.0% | 66.7% | ▼ 16.7% |
| February | 100.0% | 76.9% | ▼ 23.1% |
| March | 85.2% | 67.7% | ▼ 20.5% |
| April | 98.3% | 91.7% | ▼ 6.8% |
| May | 96.8% | 93.6% | ▼ 3.3% |
| June | 88.1% | 91.7% | ▲ 4.0% |
| July | 88.7% | 68.3% | ▼ 23.0% |
| August | 85.5% | – | – |
| September | 100.0% | – | – |
| October | 85.5% | – | in progress |
| November | 91.4% | – | – |
| December | 80.0% | – | – |
| Year-to-date average (Jan–Jul) | 91.0% | 79.5% | ▼ 12.6% |
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 | 3 | ▲ 200.0% |
| February | 0 | 2 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 2 | 7 | ▲ 250.0% |
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 99.0% 1,128
- Cancelled 1.0% 11
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 |
|---|---|---|---|---|
| JFK SJU John F. Kennedy International Airport – Luis Munoz Marin International Airport | 2,578 | 7.2 min | 86.4% | 657 |
| SJU JFK Luis Munoz Marin International Airport – John F. Kennedy International Airport | 2,578 | 3.8 min | 89.1% | 482 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 92.5% | 0 |
| November 2024 | 60 | 60 | 90.0% | 0 |
| December 2024 | 51 | 51 | 86.3% | 0 |
| January 2025 | 31 | 30 | 80.0% | 1 |
| February 2025 | 28 | 28 | 100.0% | 0 |
| March 2025 | 54 | 54 | 85.2% | 0 |
| April 2025 | 60 | 60 | 98.3% | 0 |
| May 2025 | 62 | 62 | 96.8% | 0 |
| June 2025 | 60 | 59 | 88.1% | 1 |
| July 2025 | 62 | 62 | 88.7% | 0 |
| August 2025 | 62 | 62 | 85.5% | 0 |
| September 2025 | 60 | 60 | 100.0% | 0 |
| October 2025 | 62 | 62 | 85.5% | 0 |
| November 2025 | 58 | 58 | 91.4% | 0 |
| December 2025 | 62 | 60 | 80.0% | 2 |
| January 2026 | 36 | 33 | 66.7% | 3 |
| February 2026 | 28 | 26 | 76.9% | 2 |
| March 2026 | 31 | 31 | 67.7% | 0 |
| April 2026 | 48 | 48 | 91.7% | 0 |
| May 2026 | 62 | 62 | 93.6% | 0 |
| June 2026 | 60 | 60 | 91.7% | 0 |
| July 2026 | 62 | 60 | 68.3% | 2 |