DL1675
DL1675 (Delta Air Lines) is a multi-stop service on 11 routes, busiest Seattle to Denver. Of 743 departures recorded from October 2024 to July 2026, 72.7% left on time, according to the US BTS.
- On-time departures72.7%of 743 flights
- Average delay17.1 min
- July 202662▲ 0.0%vs July 2025
- Cancelled1.5%
- Legs flown under this number11
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 35 | – |
| February | – | 20 | – |
| March | 23 | 25 | ▲ 8.7% |
| April | 30 | 28 | ▼ 6.7% |
| May | 15 | 56 | ▲ 273.3% |
| June | 52 | 60 | ▲ 15.4% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 36 | – | in progress |
| November | 28 | – | – |
| December | 43 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 82.4% | – |
| February | – | 79.0% | – |
| March | 91.3% | 72.0% | ▼ 21.1% |
| April | 80.0% | 64.3% | ▼ 19.6% |
| May | 86.7% | 89.1% | ▲ 2.8% |
| June | 38.0% | 92.9% | ▲ 144.4% |
| July | 44.3% | 90.3% | ▲ 104.1% |
| August | 54.8% | – | – |
| September | 63.3% | – | – |
| October | 80.6% | – | in progress |
| November | 82.1% | – | – |
| December | 64.3% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 1 | – |
| February | – | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 2 | 4 | ▲ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
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 98.5% 732
- Cancelled 1.5% 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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA DEN Seattle–Tacoma International Airport – Denver International Airport | 1,645 | 24.5 min | 63.4% | 193 |
| ATL DEN Hartsfield Jackson Atlanta International Airport – Denver International Airport | 1,927 | 4.1 min | 83.6% | 136 |
| DEN SEA Denver International Airport – Seattle–Tacoma International Airport | 1,645 | 43.4 min | 48.3% | 120 |
| MSP DEN Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Denver International Airport | 1,092 | -3.2 min | 95.2% | 86 |
| DEN MSP Denver International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,092 | 12.7 min | 86.9% | 86 |
| DJT BOS President Donald J. Trump International Airport – Boston Logan International Airport | 1,929 | 20.1 min | 67.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 84.2% | 0 |
| November 2024 | 16 | 16 | 100.0% | 0 |
| December 2024 | 11 | 11 | 81.8% | 0 |
| March 2025 | 23 | 23 | 91.3% | 0 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 15 | 15 | 86.7% | 0 |
| June 2025 | 52 | 50 | 38.0% | 2 |
| July 2025 | 62 | 61 | 44.3% | 1 |
| August 2025 | 62 | 62 | 54.8% | 0 |
| September 2025 | 60 | 60 | 63.3% | 0 |
| October 2025 | 36 | 36 | 80.6% | 0 |
| November 2025 | 28 | 28 | 82.1% | 0 |
| December 2025 | 43 | 42 | 64.3% | 1 |
| January 2026 | 35 | 34 | 82.4% | 1 |
| February 2026 | 20 | 19 | 79.0% | 1 |
| March 2026 | 25 | 25 | 72.0% | 0 |
| April 2026 | 28 | 28 | 64.3% | 0 |
| May 2026 | 56 | 55 | 89.1% | 1 |
| June 2026 | 60 | 56 | 92.9% | 4 |
| July 2026 | 62 | 62 | 90.3% | 0 |