DL704
DL704 (Delta Air Lines) is a multi-stop service on 10 routes, busiest Portland to Detroit. Of 518 departures recorded from October 2024 to July 2026, 75.7% left on time, according to the US BTS.
- On-time departures75.7%of 518 flights
- Average delay15.2 min
- July 202626▼ 13.3%vs July 2025
- Cancelled0.8%
- Legs flown under this number10
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 | 10 | 13 | ▲ 30.0% |
| February | 16 | 5 | ▼ 68.8% |
| March | 20 | 42 | ▲ 110.0% |
| April | 17 | 52 | ▲ 205.9% |
| May | 31 | 30 | ▼ 3.2% |
| June | 30 | 19 | ▼ 36.7% |
| July | 30 | 26 | ▼ 13.3% |
| August | 25 | – | – |
| September | 16 | – | – |
| October | 17 | – | in progress |
| November | 21 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 154 | 187 | ▲ 21.4% |
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 | 80.0% | 61.5% | ▼ 23.1% |
| February | 86.7% | 80.0% | ▼ 7.7% |
| March | 100.0% | 64.3% | ▼ 35.7% |
| April | 94.1% | 76.9% | ▼ 18.3% |
| May | 96.8% | 76.7% | ▼ 20.8% |
| June | 79.3% | 73.7% | ▼ 7.1% |
| July | 56.7% | 61.5% | ▲ 8.6% |
| August | 80.0% | – | – |
| September | 81.3% | – | – |
| October | 82.4% | – | in progress |
| November | 71.4% | – | – |
| December | 34.5% | – | – |
| Year-to-date average (Jan–Jul) | 84.8% | 70.7% | ▼ 16.7% |
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 | 0 | 0 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 2 | 0 | ▼ 100.0% |
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 99.2% 514
- Cancelled 0.8% 4
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PDX DTW Portland International Airport – Detroit Metropolitan Wayne County Airport | 3,135 | 20.4 min | 67.1% | 151 |
| ATL BOI Hartsfield Jackson Atlanta International Airport – Boise Air Terminal/Gowen Field | 2,953 | 14.4 min | 71.8% | 117 |
| DEN ATL Denver International Airport – Hartsfield Jackson Atlanta International Airport | 1,927 | 4.6 min | 86.6% | 67 |
| BOI ATL Boise Air Terminal/Gowen Field – Hartsfield Jackson Atlanta International Airport | 2,953 | 14.7 min | 69.2% | 52 |
| SMF LAX Sacramento International Airport – Los Angeles International Airport | 600 | -4.8 min | 96.9% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 29 | 29 | 82.8% | 0 |
| December 2024 | 18 | 18 | 100.0% | 0 |
| January 2025 | 10 | 10 | 80.0% | 0 |
| February 2025 | 16 | 15 | 86.7% | 1 |
| March 2025 | 20 | 20 | 100.0% | 0 |
| April 2025 | 17 | 17 | 94.1% | 0 |
| May 2025 | 31 | 31 | 96.8% | 0 |
| June 2025 | 30 | 29 | 79.3% | 1 |
| July 2025 | 30 | 30 | 56.7% | 0 |
| August 2025 | 25 | 25 | 80.0% | 0 |
| September 2025 | 16 | 16 | 81.3% | 0 |
| October 2025 | 17 | 17 | 82.4% | 0 |
| November 2025 | 21 | 21 | 71.4% | 0 |
| December 2025 | 31 | 29 | 34.5% | 2 |
| January 2026 | 13 | 13 | 61.5% | 0 |
| February 2026 | 5 | 5 | 80.0% | 0 |
| March 2026 | 42 | 42 | 64.3% | 0 |
| April 2026 | 52 | 52 | 76.9% | 0 |
| May 2026 | 30 | 30 | 76.7% | 0 |
| June 2026 | 19 | 19 | 73.7% | 0 |
| July 2026 | 26 | 26 | 61.5% | 0 |