DL404
DL404 (Delta Air Lines) is a multi-stop service on 7 routes, busiest Atlanta to New York. Of 477 departures recorded from October 2024 to July 2026, 91.0% left on time, according to the US BTS.
- On-time departures91.0%of 477 flights
- Average delay2.3 min
- July 202623▲ 4.5%vs July 2025
- Cancelled2.7%
- Legs flown under this number7
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 | 23 | 23 | 0.0% |
| February | 24 | 20 | ▼ 16.7% |
| March | 29 | 22 | ▼ 24.1% |
| April | 26 | 22 | ▼ 15.4% |
| May | 22 | 21 | ▼ 4.5% |
| June | 21 | 22 | ▲ 4.8% |
| July | 22 | 23 | ▲ 4.5% |
| August | 23 | – | – |
| September | 24 | – | – |
| October | 23 | – | in progress |
| November | 19 | – | – |
| December | 18 | – | – |
| Year to date (Jan–Jul) | 167 | 153 | ▼ 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 | 78.3% | 81.8% | ▲ 4.5% |
| February | 83.3% | 100.0% | ▲ 20.0% |
| March | 86.2% | 95.0% | ▲ 10.2% |
| April | 96.0% | 95.5% | ▼ 0.6% |
| May | 100.0% | 81.0% | ▼ 19.0% |
| June | 95.0% | 100.0% | ▲ 5.3% |
| July | 79.0% | 87.0% | ▲ 10.1% |
| August | 100.0% | – | – |
| September | 95.8% | – | – |
| October | 95.7% | – | in progress |
| November | 89.5% | – | – |
| December | 72.2% | – | – |
| Year-to-date average (Jan–Jul) | 88.3% | 91.5% | ▲ 3.6% |
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 | 0 | 1 | – |
| February | 0 | 2 | – |
| March | 0 | 2 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 1 | 2 | ▲ 100.0% |
| July | 3 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 7 | ▲ 40.0% |
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 97.3% 464
- Cancelled 2.7% 13
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL LGA Hartsfield Jackson Atlanta International Airport – LaGuardia Airport | 1,225 | 1.7 min | 91.7% | 448 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 100.0% | 0 |
| November 2024 | 20 | 20 | 95.0% | 0 |
| December 2024 | 16 | 16 | 100.0% | 0 |
| January 2025 | 23 | 23 | 78.3% | 0 |
| February 2025 | 24 | 24 | 83.3% | 0 |
| March 2025 | 29 | 29 | 86.2% | 0 |
| April 2025 | 26 | 25 | 96.0% | 1 |
| May 2025 | 22 | 22 | 100.0% | 0 |
| June 2025 | 21 | 20 | 95.0% | 1 |
| July 2025 | 22 | 19 | 79.0% | 3 |
| August 2025 | 23 | 22 | 100.0% | 1 |
| September 2025 | 24 | 24 | 95.8% | 0 |
| October 2025 | 23 | 23 | 95.7% | 0 |
| November 2025 | 19 | 19 | 89.5% | 0 |
| December 2025 | 18 | 18 | 72.2% | 0 |
| January 2026 | 23 | 22 | 81.8% | 1 |
| February 2026 | 20 | 18 | 100.0% | 2 |
| March 2026 | 22 | 20 | 95.0% | 2 |
| April 2026 | 22 | 22 | 95.5% | 0 |
| May 2026 | 21 | 21 | 81.0% | 0 |
| June 2026 | 22 | 20 | 100.0% | 2 |
| July 2026 | 23 | 23 | 87.0% | 0 |