DL1536
DL1536 (Delta Air Lines) is a multi-stop service on 5 routes, busiest St Louis to Atlanta. Of 673 departures recorded from October 2024 to July 2026, 93.0% left on time, according to the US BTS.
- On-time departures93.0%of 673 flights
- Average delay0.3 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.8%
- Legs flown under this number5
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 | 28 | 0.0% |
| March | 31 | 55 | ▲ 77.4% |
| April | 15 | 42 | ▲ 180.0% |
| May | 26 | 31 | ▲ 19.2% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 192 | 248 | ▲ 29.2% |
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 | 80.0% | 73.3% | ▼ 8.3% |
| February | 92.9% | 75.0% | ▼ 19.2% |
| March | 100.0% | 91.8% | ▼ 8.2% |
| April | 93.3% | 95.2% | ▲ 2.0% |
| May | 92.3% | 100.0% | ▲ 8.3% |
| June | 96.6% | 93.3% | ▼ 3.3% |
| July | 90.3% | 100.0% | ▲ 10.7% |
| August | 100.0% | – | – |
| September | 100.0% | – | – |
| October | 100.0% | – | in progress |
| November | 92.9% | – | – |
| December | 87.1% | – | – |
| Year-to-date average (Jan–Jul) | 92.2% | 89.8% | ▼ 2.6% |
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 | 1 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 6 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 8 | ▲ 300.0% |
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 98.2% 661
- Cancelled 1.8% 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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL ATL St. Louis Lambert International Airport – Hartsfield Jackson Atlanta International Airport | 779 | -0.7 min | 95.1% | 536 |
| MSP BIS Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Bismarck Municipal Airport | 620 | 12.2 min | 74.2% | 62 |
| PSP MSP Palm Springs International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 2,336 | -2.7 min | 90.9% | 36 |
| MSP PSP Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Palm Springs International Airport | 2,336 | -5.9 min | 100.0% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 29 | 29 | 100.0% | 0 |
| December 2024 | 31 | 31 | 93.6% | 0 |
| January 2025 | 31 | 30 | 80.0% | 1 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 31 | 31 | 100.0% | 0 |
| April 2025 | 15 | 15 | 93.3% | 0 |
| May 2025 | 26 | 26 | 92.3% | 0 |
| June 2025 | 30 | 29 | 96.6% | 1 |
| July 2025 | 31 | 31 | 90.3% | 0 |
| August 2025 | 31 | 31 | 100.0% | 0 |
| September 2025 | 30 | 30 | 100.0% | 0 |
| October 2025 | 31 | 31 | 100.0% | 0 |
| November 2025 | 30 | 28 | 92.9% | 2 |
| December 2025 | 31 | 31 | 87.1% | 0 |
| January 2026 | 31 | 30 | 73.3% | 1 |
| February 2026 | 28 | 28 | 75.0% | 0 |
| March 2026 | 55 | 49 | 91.8% | 6 |
| April 2026 | 42 | 42 | 95.2% | 0 |
| May 2026 | 31 | 31 | 100.0% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 31 | 30 | 100.0% | 1 |