DL939
DL939 (Delta Air Lines) flies Los Angeles to New York. Of 590 departures recorded from October 2024 to July 2026, 68.8% left on time, according to the US BTS.
- On-time departures68.8%of 590 flights
- Average delay24.0 min
- July 202631▲ 14.8%vs July 2025
- Cancelled1.0%
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 27 | 31 | ▲ 14.8% |
| February | 24 | 26 | ▲ 8.3% |
| March | 26 | 28 | ▲ 7.7% |
| April | 26 | 28 | ▲ 7.7% |
| May | 30 | 23 | ▼ 23.3% |
| June | 27 | 29 | ▲ 7.4% |
| July | 27 | 31 | ▲ 14.8% |
| August | 26 | – | – |
| September | 26 | – | – |
| October | 27 | – | in progress |
| November | 25 | – | – |
| December | 26 | – | – |
| Year to date (Jan–Jul) | 187 | 196 | ▲ 4.8% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 74.1% | 50.0% | ▼ 32.5% |
| February | 66.7% | 70.8% | ▲ 6.2% |
| March | 84.6% | 75.0% | ▼ 11.4% |
| April | 42.3% | 85.7% | ▲ 102.6% |
| May | 63.3% | 65.2% | ▲ 3.0% |
| June | 51.9% | 58.6% | ▲ 13.1% |
| July | 66.7% | 62.1% | ▼ 6.9% |
| August | 73.1% | – | – |
| September | 84.6% | – | – |
| October | 85.2% | – | in progress |
| November | 64.0% | – | – |
| December | 56.0% | – | – |
| Year-to-date average (Jan–Jul) | 64.2% | 66.8% | ▲ 4.0% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 2 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 0 | 5 |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 99.0% 584
- Cancelled 1.0% 6
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAX JFK Los Angeles International Airport – John F. Kennedy International Airport | 3,974 | 24.0 min | 68.8% | 590 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 28 | 28 | 82.1% | 0 |
| December 2024 | 29 | 29 | 69.0% | 0 |
| January 2025 | 27 | 27 | 74.1% | 0 |
| February 2025 | 24 | 24 | 66.7% | 0 |
| March 2025 | 26 | 26 | 84.6% | 0 |
| April 2025 | 26 | 26 | 42.3% | 0 |
| May 2025 | 30 | 30 | 63.3% | 0 |
| June 2025 | 27 | 27 | 51.9% | 0 |
| July 2025 | 27 | 27 | 66.7% | 0 |
| August 2025 | 26 | 26 | 73.1% | 0 |
| September 2025 | 26 | 26 | 84.6% | 0 |
| October 2025 | 27 | 27 | 85.2% | 0 |
| November 2025 | 25 | 25 | 64.0% | 0 |
| December 2025 | 26 | 25 | 56.0% | 1 |
| January 2026 | 31 | 30 | 50.0% | 1 |
| February 2026 | 26 | 24 | 70.8% | 2 |
| March 2026 | 28 | 28 | 75.0% | 0 |
| April 2026 | 28 | 28 | 85.7% | 0 |
| May 2026 | 23 | 23 | 65.2% | 0 |
| June 2026 | 29 | 29 | 58.6% | 0 |
| July 2026 | 31 | 29 | 62.1% | 2 |