DL1017
DL1017 (Delta Air Lines) is a multi-stop service on 9 routes, busiest Portland to Atlanta. Of 799 departures recorded from October 2024 to July 2026, 86.6% left on time, according to the US BTS.
- On-time departures86.6%of 799 flights
- Average delay6.4 min
- July 202661▲ 96.8%vs July 2025
- Cancelled1.4%
- Legs flown under this number9
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 | 54 | ▲ 74.2% |
| February | 28 | 54 | ▲ 92.9% |
| March | 31 | 38 | ▲ 22.6% |
| April | 30 | 30 | 0.0% |
| May | 31 | 56 | ▲ 80.6% |
| June | 30 | 60 | ▲ 100.0% |
| July | 31 | 61 | ▲ 96.8% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 212 | 353 | ▲ 66.5% |
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 | 100.0% | 82.7% | ▼ 17.3% |
| February | 78.6% | 90.7% | ▲ 15.5% |
| March | 90.3% | 74.3% | ▼ 17.7% |
| April | 96.7% | 93.3% | ▼ 3.5% |
| May | 90.3% | 78.6% | ▼ 13.0% |
| June | 78.6% | 84.8% | ▲ 7.9% |
| July | 90.0% | 83.6% | ▼ 7.1% |
| August | 77.4% | – | – |
| September | 93.3% | – | – |
| October | 93.6% | – | in progress |
| November | 89.7% | – | – |
| December | 71.0% | – | – |
| Year-to-date average (Jan–Jul) | 89.2% | 84.0% | ▼ 5.8% |
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 | 2 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 3 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 2 | 1 | ▼ 50.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 6 | ▲ 50.0% |
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% 788
- Cancelled 1.4% 11
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
8Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 100.0% | 0 |
| December 2024 | 31 | 31 | 90.3% | 0 |
| January 2025 | 31 | 30 | 100.0% | 1 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 31 | 31 | 90.3% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 30 | 28 | 78.6% | 2 |
| July 2025 | 31 | 30 | 90.0% | 1 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 30 | 29 | 89.7% | 1 |
| December 2025 | 31 | 31 | 71.0% | 0 |
| January 2026 | 54 | 52 | 82.7% | 2 |
| February 2026 | 54 | 54 | 90.7% | 0 |
| March 2026 | 38 | 35 | 74.3% | 3 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 56 | 56 | 78.6% | 0 |
| June 2026 | 60 | 59 | 84.8% | 1 |
| July 2026 | 61 | 61 | 83.6% | 0 |