DL2956
DL2956 (Delta Air Lines) is a multi-stop service on 9 routes, busiest Chicago to Boston. Of 233 departures recorded from October 2024 to July 2026, 82.4% left on time, according to the US BTS.
- On-time departures82.4%of 233 flights
- Average delay8.4 min
- July 202630
- Cancelled0.0%
- Legs flown under this number9
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods9 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | 1 | – |
| April | 17 | 20 | ▲ 17.6% |
| May | 31 | 25 | ▼ 19.4% |
| June | 7 | 29 | ▲ 314.3% |
| July | – | 30 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 1 | – | – |
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 periods9 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | 100.0% | – |
| April | 94.1% | 85.0% | ▼ 9.7% |
| May | 87.1% | 64.0% | ▼ 26.5% |
| June | 100.0% | 69.0% | ▼ 31.0% |
| July | – | 66.7% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 0.0% | – | – |
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 periods9 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| 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 100.0% 233
- Cancelled 0.0% 0
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD BOS Chicago O'Hare International Airport – Boston Logan International Airport | 1,391 | 2.3 min | 92.7% | 123 |
| LAS SEA Harry Reid International Airport – Seattle–Tacoma International Airport | 1,395 | 20.0 min | 65.8% | 79 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 30 | 30 | 100.0% | 0 |
| December 2024 | 22 | 22 | 95.5% | 0 |
| April 2025 | 17 | 17 | 94.1% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 7 | 7 | 100.0% | 0 |
| December 2025 | 1 | 1 | 0.0% | 0 |
| March 2026 | 1 | 1 | 100.0% | 0 |
| April 2026 | 20 | 20 | 85.0% | 0 |
| May 2026 | 25 | 25 | 64.0% | 0 |
| June 2026 | 29 | 29 | 69.0% | 0 |
| July 2026 | 30 | 30 | 66.7% | 0 |