DL1750
DL1750 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Seattle to Denver. Of 367 departures recorded from June 2025 to July 2026, 75.6% left on time, according to the US BTS.
- On-time departures75.6%of 367 flights
- Average delay10.8 min
- July 202662▲ 100.0%vs July 2025
- Cancelled0.5%
- Legs flown under this number3
Recorded departures by month
Short series — DL1750 has only 10 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods10 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | 50 | – |
| June | 23 | 60 | ▲ 160.9% |
| July | 31 | 62 | ▲ 100.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 19 | – | – |
according to the US BTS · June 2025 → July 2026
On-time departures by month
Short series — DL1750 has only 10 months so far. Enough to show the level now, not enough to read a trend.
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 periods10 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | 72.0% | – |
| June | 73.9% | 80.0% | ▲ 8.2% |
| July | 67.7% | 70.0% | ▲ 3.3% |
| August | 77.4% | – | – |
| September | 80.0% | – | – |
| October | 80.7% | – | in progress |
| November | 73.3% | – | – |
| December | 89.5% | – | – |
according to the US BTS · June 2025 → July 2026
Average departure delay by month
Short series — DL1750 has only 10 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · June 2025 → July 2026
Cancelled departures by month
Short series — DL1750 has only 10 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods10 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · June 2025 → 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 99.5% 365
- Cancelled 0.5% 2
Share of all recorded flights in the period, all legs. · Jun 8, 2025 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA DEN Seattle–Tacoma International Airport – Denver International Airport | 1,645 | 10.8 min | 76.9% | 195 |
| CMH ATL John Glenn Columbus International Airport – Hartsfield Jackson Atlanta International Airport | 720 | 14.7 min | 70.6% | 86 |
| ATL CMH Hartsfield Jackson Atlanta International Airport – John Glenn Columbus International Airport | 720 | 7.1 min | 77.7% | 86 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| June 2025 | 23 | 23 | 73.9% | 0 |
| July 2025 | 31 | 31 | 67.7% | 0 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 30 | 30 | 80.0% | 0 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 30 | 30 | 73.3% | 0 |
| December 2025 | 19 | 19 | 89.5% | 0 |
| May 2026 | 50 | 50 | 72.0% | 0 |
| June 2026 | 60 | 60 | 80.0% | 0 |
| July 2026 | 62 | 60 | 70.0% | 2 |