DL681
DL681 (Delta Air Lines) is a multi-stop service on 8 routes, busiest Salt Lake City to Denver. Of 667 departures recorded from October 2024 to July 2026, 81.2% left on time, according to the US BTS.
- On-time departures81.2%of 667 flights
- Average delay11.7 min
- July 20268▼ 71.4%vs July 2025
- Cancelled0.6%
- Legs flown under this number8
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 | 51 | 31 | ▼ 39.2% |
| February | 46 | 28 | ▼ 39.1% |
| March | 35 | 31 | ▼ 11.4% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 25 | ▼ 16.7% |
| July | 28 | 8 | ▼ 71.4% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 251 | 184 | ▼ 26.7% |
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 | 69.4% | 93.6% | ▲ 34.8% |
| February | 84.8% | 85.7% | ▲ 1.1% |
| March | 80.0% | 90.3% | ▲ 12.9% |
| April | 86.7% | 96.7% | ▲ 11.5% |
| May | 90.3% | 67.7% | ▼ 25.0% |
| June | 44.8% | 72.0% | ▲ 60.6% |
| July | 53.6% | 87.5% | ▲ 63.3% |
| August | 92.9% | – | – |
| September | 96.7% | – | – |
| October | 90.3% | – | in progress |
| November | 86.7% | – | – |
| December | 90.3% | – | – |
| Year-to-date average (Jan–Jul) | 72.8% | 84.8% | ▲ 16.5% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 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 99.4% 663
- Cancelled 0.6% 4
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 25, 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 |
|---|---|---|---|---|
| SLC DEN Salt Lake City International Airport – Denver International Airport | 628 | 1.1 min | 90.6% | 213 |
| PHX MSP Phoenix Sky Harbor International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 2,051 | 0.9 min | 91.6% | 131 |
| ATL SFO Hartsfield Jackson Atlanta International Airport – San Francisco International Airport | 3,435 | 26.6 min | 53.4% | 90 |
| MIA MCO Miami International Airport – Orlando International Airport | 310 | 7.4 min | 76.7% | 86 |
| JAX BOS Jacksonville International Airport – Boston Logan International Airport | 1,627 | 42.5 min | 70.6% | 52 |
| BOS JAX Boston Logan International Airport – Jacksonville International Airport | 1,627 | 23.1 min | 76.5% | 52 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 30 | 30 | 86.7% | 0 |
| December 2024 | 31 | 31 | 61.3% | 0 |
| January 2025 | 51 | 49 | 69.4% | 2 |
| February 2025 | 46 | 46 | 84.8% | 0 |
| March 2025 | 35 | 35 | 80.0% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 30 | 29 | 44.8% | 1 |
| July 2025 | 28 | 28 | 53.6% | 0 |
| August 2025 | 29 | 28 | 92.9% | 1 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 30 | 30 | 86.7% | 0 |
| December 2025 | 31 | 31 | 90.3% | 0 |
| January 2026 | 31 | 31 | 93.6% | 0 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 31 | 31 | 90.3% | 0 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 31 | 31 | 67.7% | 0 |
| June 2026 | 25 | 25 | 72.0% | 0 |
| July 2026 | 8 | 8 | 87.5% | 0 |