DL426
DL426 (Delta Air Lines) is a multi-stop service on 18 routes, busiest New York to San Diego. Of 820 departures recorded from October 2024 to July 2026, 81.7% left on time, according to the US BTS.
- On-time departures81.7%of 820 flights
- Average delay12.9 min
- July 202662▲ 24.0%vs July 2025
- Cancelled1.5%
- Legs flown under this number18
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 | 19 | 26 | ▲ 36.8% |
| February | 20 | 23 | ▲ 15.0% |
| March | 48 | 49 | ▲ 2.1% |
| April | 33 | 36 | ▲ 9.1% |
| May | 23 | 55 | ▲ 139.1% |
| June | 48 | 60 | ▲ 25.0% |
| July | 50 | 62 | ▲ 24.0% |
| August | 54 | – | – |
| September | 56 | – | – |
| October | 35 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 241 | 311 | ▲ 29.0% |
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 | 61.1% | 76.0% | ▲ 24.4% |
| February | 55.0% | 87.0% | ▲ 58.1% |
| March | 70.8% | 71.4% | ▲ 0.8% |
| April | 75.8% | 94.4% | ▲ 24.7% |
| May | 82.6% | 92.7% | ▲ 12.3% |
| June | 95.7% | 83.3% | ▼ 12.9% |
| July | 74.5% | 88.3% | ▲ 18.6% |
| August | 87.0% | – | – |
| September | 87.3% | – | – |
| October | 91.2% | – | in progress |
| November | 79.3% | – | – |
| December | 60.0% | – | – |
| Year-to-date average (Jan–Jul) | 73.6% | 84.7% | ▲ 15.1% |
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 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 2 | 0 | ▼ 100.0% |
| July | 3 | 2 | ▼ 33.3% |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 6 | 3 | ▼ 50.0% |
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 98.5% 808
- Cancelled 1.5% 12
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
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 94.7% | 0 |
| November 2024 | 28 | 28 | 82.1% | 0 |
| December 2024 | 16 | 16 | 68.8% | 0 |
| January 2025 | 19 | 18 | 61.1% | 1 |
| February 2025 | 20 | 20 | 55.0% | 0 |
| March 2025 | 48 | 48 | 70.8% | 0 |
| April 2025 | 33 | 33 | 75.8% | 0 |
| May 2025 | 23 | 23 | 82.6% | 0 |
| June 2025 | 48 | 46 | 95.7% | 2 |
| July 2025 | 50 | 47 | 74.5% | 3 |
| August 2025 | 54 | 54 | 87.0% | 0 |
| September 2025 | 56 | 55 | 87.3% | 1 |
| October 2025 | 35 | 34 | 91.2% | 1 |
| November 2025 | 29 | 29 | 79.3% | 0 |
| December 2025 | 31 | 30 | 60.0% | 1 |
| January 2026 | 26 | 25 | 76.0% | 1 |
| February 2026 | 23 | 23 | 87.0% | 0 |
| March 2026 | 49 | 49 | 71.4% | 0 |
| April 2026 | 36 | 36 | 94.4% | 0 |
| May 2026 | 55 | 55 | 92.7% | 0 |
| June 2026 | 60 | 60 | 83.3% | 0 |
| July 2026 | 62 | 60 | 88.3% | 2 |