DL1371
DL1371 (Delta Air Lines) is a multi-stop service on 18 routes, busiest St Louis to Detroit. Of 512 departures recorded from October 2024 to July 2026, 80.9% left on time, according to the US BTS.
- On-time departures80.9%of 512 flights
- Average delay11.3 min
- July 202646▲ 53.3%vs July 2025
- Cancelled1.8%
- Legs flown under this number18
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 23 | – |
| February | 10 | 41 | ▲ 310.0% |
| March | 27 | 38 | ▲ 40.7% |
| April | 13 | 30 | ▲ 130.8% |
| May | 25 | 46 | ▲ 84.0% |
| June | 27 | 46 | ▲ 70.4% |
| July | 30 | 46 | ▲ 53.3% |
| August | 12 | – | – |
| September | 20 | – | – |
| October | 5 | – | in progress |
| November | 21 | – | – |
| December | 13 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 72.7% | – |
| February | 50.0% | 85.4% | ▲ 70.7% |
| March | 70.4% | 76.5% | ▲ 8.7% |
| April | 92.3% | 80.0% | ▼ 13.3% |
| May | 88.0% | 84.8% | ▼ 3.7% |
| June | 81.5% | 73.8% | ▼ 9.4% |
| July | 93.3% | 69.6% | ▼ 25.5% |
| August | 91.7% | – | – |
| September | 95.0% | – | – |
| October | 100.0% | – | in progress |
| November | 81.0% | – | – |
| December | 76.9% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 4 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 4 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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% 503
- Cancelled 1.8% 9
Share of all recorded flights in the period, all legs. · Oct 18, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL DTW St. Louis Lambert International Airport – Detroit Metropolitan Wayne County Airport | 707 | 28.4 min | 74.7% | 97 |
| DTW STL Detroit Metropolitan Wayne County Airport – St. Louis Lambert International Airport | 707 | 7.3 min | 81.3% | 66 |
| MSP MYR Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Myrtle Beach International Airport | 1,746 | 3.6 min | 88.3% | 60 |
| BNA ATL Nashville International Airport – Hartsfield Jackson Atlanta International Airport | 344 | 7.7 min | 79.2% | 50 |
| MIA BOS Miami International Airport – Boston Logan International Airport | 2,028 | 3.9 min | 86.8% | 38 |
| FLL DTW Fort Lauderdale Hollywood International Airport – Detroit Metropolitan Wayne County Airport | 1,819 | 15.4 min | 73.5% | 36 |
| ORD BOS Chicago O'Hare International Airport – Boston Logan International Airport | 1,391 | 2.9 min | 87.5% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 1 | 1 | 100.0% | 0 |
| November 2024 | 20 | 20 | 90.0% | 0 |
| December 2024 | 18 | 18 | 83.3% | 0 |
| February 2025 | 10 | 10 | 50.0% | 0 |
| March 2025 | 27 | 27 | 70.4% | 0 |
| April 2025 | 13 | 13 | 92.3% | 0 |
| May 2025 | 25 | 25 | 88.0% | 0 |
| June 2025 | 27 | 27 | 81.5% | 0 |
| July 2025 | 30 | 30 | 93.3% | 0 |
| August 2025 | 12 | 12 | 91.7% | 0 |
| September 2025 | 20 | 20 | 95.0% | 0 |
| October 2025 | 5 | 5 | 100.0% | 0 |
| November 2025 | 21 | 21 | 81.0% | 0 |
| December 2025 | 13 | 13 | 76.9% | 0 |
| January 2026 | 23 | 22 | 72.7% | 1 |
| February 2026 | 41 | 41 | 85.4% | 0 |
| March 2026 | 38 | 34 | 76.5% | 4 |
| April 2026 | 30 | 30 | 80.0% | 0 |
| May 2026 | 46 | 46 | 84.8% | 0 |
| June 2026 | 46 | 42 | 73.8% | 4 |
| July 2026 | 46 | 46 | 69.6% | 0 |