DL852
DL852 (Delta Air Lines) is a multi-stop service on 10 routes, busiest Detroit to Los Angeles. Of 577 departures recorded from October 2024 to July 2026, 81.4% left on time, according to the US BTS.
- On-time departures81.4%of 577 flights
- Average delay11.1 min
- July 202631▲ 3.3%vs July 2025
- Cancelled0.4%
- Legs flown under this number10
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 | 26 | 31 | ▲ 19.2% |
| February | 28 | 28 | 0.0% |
| March | 10 | 28 | ▲ 180.0% |
| April | 4 | 28 | ▲ 600.0% |
| May | 26 | 31 | ▲ 19.2% |
| June | 30 | 30 | 0.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 154 | 207 | ▲ 34.4% |
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 | 73.1% | 87.1% | ▲ 19.2% |
| February | 85.7% | 85.7% | 0.0% |
| March | 90.0% | 74.1% | ▼ 17.7% |
| April | 100.0% | 75.0% | ▼ 25.0% |
| May | 96.2% | 87.1% | ▼ 9.4% |
| June | 66.7% | 83.3% | ▲ 25.0% |
| July | 60.0% | 71.0% | ▲ 18.3% |
| August | 74.2% | – | – |
| September | 86.7% | – | – |
| October | 93.3% | – | in progress |
| November | 89.3% | – | – |
| December | 74.2% | – | – |
| Year-to-date average (Jan–Jul) | 81.7% | 80.5% | ▼ 1.5% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 1 |
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 99.7% 575
- Cancelled 0.3% 2
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DTW LAX Detroit Metropolitan Wayne County Airport – Los Angeles International Airport | 3,178 | 17.1 min | 77.2% | 309 |
| ATL MEM Hartsfield Jackson Atlanta International Airport – Frederick W. Smith International Airport | 533 | 1.5 min | 89.2% | 65 |
| SEA GEG Seattle–Tacoma International Airport – Spokane International Airport | 359 | 6.2 min | 82.3% | 62 |
| IAH DTW George Bush Intercontinental Airport – Detroit Metropolitan Wayne County Airport | 1,731 | 3.8 min | 88.7% | 62 |
| GEG SEA Spokane International Airport – Seattle–Tacoma International Airport | 359 | -6.9 min | 96.9% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 89.5% | 0 |
| November 2024 | 28 | 28 | 89.3% | 0 |
| December 2024 | 18 | 18 | 88.9% | 0 |
| January 2025 | 26 | 26 | 73.1% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 10 | 10 | 90.0% | 0 |
| April 2025 | 4 | 4 | 100.0% | 0 |
| May 2025 | 26 | 26 | 96.2% | 0 |
| June 2025 | 30 | 30 | 66.7% | 0 |
| July 2025 | 30 | 30 | 60.0% | 0 |
| August 2025 | 31 | 31 | 74.2% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 30 | 30 | 93.3% | 0 |
| November 2025 | 29 | 28 | 89.3% | 1 |
| December 2025 | 31 | 31 | 74.2% | 0 |
| January 2026 | 31 | 31 | 87.1% | 0 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 28 | 27 | 74.1% | 1 |
| April 2026 | 28 | 28 | 75.0% | 0 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 31 | 31 | 71.0% | 0 |