DL1656
DL1656 (Delta Air Lines) is a multi-stop service on 16 routes, busiest Boston to Detroit. Of 532 departures recorded from October 2024 to July 2026, 84.8% left on time, according to the US BTS.
- On-time departures84.8%of 532 flights
- Average delay7.1 min
- July 202631▲ 6.9%vs July 2025
- Cancelled0.2%
- Legs flown under this number16
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 | 27 | 29 | ▲ 7.4% |
| February | 26 | 13 | ▼ 50.0% |
| March | 29 | 24 | ▼ 17.2% |
| April | 30 | 12 | ▼ 60.0% |
| May | 6 | – | – |
| June | 15 | 24 | ▲ 60.0% |
| July | 29 | 31 | ▲ 6.9% |
| August | 3 | – | – |
| September | 2 | – | – |
| October | 50 | – | in progress |
| November | 56 | – | – |
| December | 38 | – | – |
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 | 77.8% | 89.3% | ▲ 14.8% |
| February | 80.8% | 92.3% | ▲ 14.3% |
| March | 86.2% | 83.3% | ▼ 3.3% |
| April | 76.7% | 100.0% | ▲ 30.4% |
| May | 50.0% | – | – |
| June | 86.7% | 87.5% | ▲ 1.0% |
| July | 82.8% | 93.6% | ▲ 13.0% |
| August | 66.7% | – | – |
| September | 100.0% | – | – |
| October | 94.0% | – | in progress |
| November | 89.3% | – | – |
| December | 65.8% | – | – |
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 | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| 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 99.8% 531
- Cancelled 0.2% 1
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 24 | 24 | 83.3% | 0 |
| November 2024 | 22 | 22 | 90.9% | 0 |
| December 2024 | 42 | 42 | 83.3% | 0 |
| January 2025 | 27 | 27 | 77.8% | 0 |
| February 2025 | 26 | 26 | 80.8% | 0 |
| March 2025 | 29 | 29 | 86.2% | 0 |
| April 2025 | 30 | 30 | 76.7% | 0 |
| May 2025 | 6 | 6 | 50.0% | 0 |
| June 2025 | 15 | 15 | 86.7% | 0 |
| July 2025 | 29 | 29 | 82.8% | 0 |
| August 2025 | 3 | 3 | 66.7% | 0 |
| September 2025 | 2 | 2 | 100.0% | 0 |
| October 2025 | 50 | 50 | 94.0% | 0 |
| November 2025 | 56 | 56 | 89.3% | 0 |
| December 2025 | 38 | 38 | 65.8% | 0 |
| January 2026 | 29 | 28 | 89.3% | 1 |
| February 2026 | 13 | 13 | 92.3% | 0 |
| March 2026 | 24 | 24 | 83.3% | 0 |
| April 2026 | 12 | 12 | 100.0% | 0 |
| June 2026 | 24 | 24 | 87.5% | 0 |
| July 2026 | 31 | 31 | 93.6% | 0 |