DL1343
DL1343 (Delta Air Lines) is a multi-stop service on 12 routes, busiest Milwaukee to Detroit. Of 622 departures recorded from October 2024 to July 2026, 78.8% left on time, according to the US BTS.
- On-time departures78.8%of 622 flights
- Average delay10.4 min
- July 202662
- Cancelled1.5%
- Legs flown under this number12
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 | 35 | 7 | ▼ 80.0% |
| February | 28 | 5 | ▼ 82.1% |
| March | 36 | 23 | ▼ 36.1% |
| April | 44 | 27 | ▼ 38.6% |
| May | 60 | 56 | ▼ 6.7% |
| June | 14 | 60 | ▲ 328.6% |
| July | – | 62 | – |
| August | 1 | – | – |
| September | 18 | – | – |
| October | 16 | – | in progress |
| November | 23 | – | – |
| December | 39 | – | – |
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 | 64.7% | 50.0% | ▼ 22.7% |
| February | 78.6% | 100.0% | ▲ 27.3% |
| March | 72.2% | 81.8% | ▲ 13.3% |
| April | 88.6% | 81.5% | ▼ 8.1% |
| May | 85.0% | 73.2% | ▼ 13.9% |
| June | 85.7% | 78.3% | ▼ 8.6% |
| July | – | 73.3% | – |
| August | 100.0% | – | – |
| September | 88.9% | – | – |
| October | 81.3% | – | in progress |
| November | 81.8% | – | – |
| December | 74.4% | – | – |
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 | 3 | ▲ 200.0% |
| February | 0 | 1 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| 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 98.6% 613
- Cancelled 1.4% 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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MKE DTW General Mitchell International Airport – Detroit Metropolitan Wayne County Airport | 381 | 8.3 min | 78.2% | 190 |
| DTW MKE Detroit Metropolitan Wayne County Airport – General Mitchell International Airport | 381 | 11.1 min | 79.8% | 190 |
| TPA DTW Tampa International Airport – Detroit Metropolitan Wayne County Airport | 1,585 | 5.7 min | 79.7% | 70 |
| IAH DTW George Bush Intercontinental Airport – Detroit Metropolitan Wayne County Airport | 1,731 | 21.7 min | 67.2% | 62 |
| BOS LGA Boston Logan International Airport – LaGuardia Airport | 296 | 6.1 min | 92.9% | 44 |
| SAN JFK San Diego International Airport – John F. Kennedy International Airport | 3,928 | 6.7 min | 83.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 4 | 4 | 100.0% | 0 |
| November 2024 | 22 | 22 | 95.5% | 0 |
| December 2024 | 42 | 42 | 73.8% | 0 |
| January 2025 | 35 | 34 | 64.7% | 1 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 36 | 36 | 72.2% | 0 |
| April 2025 | 44 | 44 | 88.6% | 0 |
| May 2025 | 60 | 60 | 85.0% | 0 |
| June 2025 | 14 | 14 | 85.7% | 0 |
| August 2025 | 1 | 1 | 100.0% | 0 |
| September 2025 | 18 | 18 | 88.9% | 0 |
| October 2025 | 16 | 16 | 81.3% | 0 |
| November 2025 | 23 | 22 | 81.8% | 1 |
| December 2025 | 39 | 39 | 74.4% | 0 |
| January 2026 | 7 | 4 | 50.0% | 3 |
| February 2026 | 5 | 4 | 100.0% | 1 |
| March 2026 | 23 | 22 | 81.8% | 1 |
| April 2026 | 27 | 27 | 81.5% | 0 |
| May 2026 | 56 | 56 | 73.2% | 0 |
| June 2026 | 60 | 60 | 78.3% | 0 |
| July 2026 | 62 | 60 | 73.3% | 2 |