DL552
DL552 (Delta Air Lines) is a multi-stop service on 15 routes, busiest New York to San Diego. Of 952 departures recorded from October 2024 to July 2026, 75.6% left on time, according to the US BTS.
- On-time departures75.6%of 952 flights
- Average delay17.9 min
- July 202662▲ 0.0%vs July 2025
- Cancelled1.0%
- Legs flown under this number15
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 | 31 | 0.0% |
| February | 28 | 45 | ▲ 60.7% |
| March | 54 | 38 | ▼ 29.6% |
| April | 43 | 15 | ▼ 65.1% |
| May | 31 | 52 | ▲ 67.7% |
| June | 53 | 48 | ▼ 9.4% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 59 | – | – |
| December | 50 | – | – |
| Year to date (Jan–Jul) | 302 | 291 | ▼ 3.6% |
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 | 65.5% | 48.4% | ▼ 26.1% |
| February | 71.4% | 73.3% | ▲ 2.7% |
| March | 66.0% | 81.6% | ▲ 23.5% |
| April | 69.8% | 93.3% | ▲ 33.8% |
| May | 74.2% | 92.0% | ▲ 24.0% |
| June | 60.4% | 83.3% | ▲ 38.0% |
| July | 59.7% | 66.1% | ▲ 10.8% |
| August | 79.0% | – | – |
| September | 91.5% | – | – |
| October | 87.1% | – | in progress |
| November | 84.8% | – | – |
| December | 78.7% | – | – |
| Year-to-date average (Jan–Jul) | 66.7% | 76.9% | ▲ 15.2% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 2 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 3 | – | – |
| Year to date (Jan–Jul) | 3 | 2 | ▼ 33.3% |
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 99.1% 943
- Cancelled 0.9% 9
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 18 | 18 | 66.7% | 0 |
| December 2024 | 28 | 28 | 85.7% | 0 |
| January 2025 | 31 | 29 | 65.5% | 2 |
| February 2025 | 28 | 28 | 71.4% | 0 |
| March 2025 | 54 | 53 | 66.0% | 1 |
| April 2025 | 43 | 43 | 69.8% | 0 |
| May 2025 | 31 | 31 | 74.2% | 0 |
| June 2025 | 53 | 53 | 60.4% | 0 |
| July 2025 | 62 | 62 | 59.7% | 0 |
| August 2025 | 62 | 62 | 79.0% | 0 |
| September 2025 | 60 | 59 | 91.5% | 1 |
| October 2025 | 62 | 62 | 87.1% | 0 |
| November 2025 | 59 | 59 | 84.8% | 0 |
| December 2025 | 50 | 47 | 78.7% | 3 |
| January 2026 | 31 | 31 | 48.4% | 0 |
| February 2026 | 45 | 45 | 73.3% | 0 |
| March 2026 | 38 | 38 | 81.6% | 0 |
| April 2026 | 15 | 15 | 93.3% | 0 |
| May 2026 | 52 | 50 | 92.0% | 2 |
| June 2026 | 48 | 48 | 83.3% | 0 |
| July 2026 | 62 | 62 | 66.1% | 0 |