DL1671
DL1671 (Delta Air Lines) is a multi-stop service on 12 routes, busiest Dallas-Fort Worth to Salt Lake City. Of 758 departures recorded from October 2024 to July 2026, 77.9% left on time, according to the US BTS.
- On-time departures77.9%of 758 flights
- Average delay15.6 min
- July 202614▼ 73.6%vs July 2025
- Cancelled2.1%
- Legs flown under this number12
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 58 | ▲ 5,700.0% |
| February | – | 56 | – |
| March | 23 | 62 | ▲ 169.6% |
| April | 30 | 42 | ▲ 40.0% |
| May | 31 | 6 | ▼ 80.6% |
| June | 30 | 12 | ▼ 60.0% |
| July | 53 | 14 | ▼ 73.6% |
| August | 60 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 59 | – | – |
| December | 52 | – | – |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 0.0% | 90.9% | – |
| February | – | 77.4% | – |
| March | 78.3% | 77.6% | ▼ 0.9% |
| April | 90.0% | 75.0% | ▼ 16.7% |
| May | 61.3% | 16.7% | ▼ 72.8% |
| June | 73.3% | 91.7% | ▲ 25.0% |
| July | 62.8% | 85.7% | ▲ 36.6% |
| August | 70.0% | – | – |
| September | 80.0% | – | – |
| October | 87.1% | – | in progress |
| November | 80.7% | – | – |
| December | 78.9% | – | – |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | – | 3 | – |
| March | 0 | 4 | – |
| April | 0 | 2 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 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 97.9% 742
- Cancelled 2.1% 16
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DFW SLC Dallas Fort Worth International Airport – Salt Lake City International Airport | 1,590 | 18.5 min | 73.3% | 189 |
| SLC DFW Salt Lake City International Airport – Dallas Fort Worth International Airport | 1,590 | 9.4 min | 81.1% | 166 |
| JFK RSW John F. Kennedy International Airport – Southwest Florida International Airport | 1,732 | 8.4 min | 85.2% | 107 |
| RSW JFK Southwest Florida International Airport – John F. Kennedy International Airport | 1,732 | 15.7 min | 76.2% | 107 |
| MCO DCA Orlando International Airport – Ronald Reagan Washington National Airport | 1,224 | 1.4 min | 84.8% | 59 |
| LGA BNA LaGuardia Airport – Nashville International Airport | 1,228 | 24.1 min | 82.2% | 45 |
| MSP BIS Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Bismarck Municipal Airport | 620 | 41.4 min | 59.4% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 76.5% | 0 |
| November 2024 | 15 | 15 | 86.7% | 0 |
| December 2024 | 15 | 15 | 86.7% | 0 |
| January 2025 | 1 | 1 | 0.0% | 0 |
| March 2025 | 23 | 23 | 78.3% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 61.3% | 0 |
| June 2025 | 30 | 30 | 73.3% | 0 |
| July 2025 | 53 | 51 | 62.8% | 2 |
| August 2025 | 60 | 60 | 70.0% | 0 |
| September 2025 | 60 | 60 | 80.0% | 0 |
| October 2025 | 62 | 62 | 87.1% | 0 |
| November 2025 | 59 | 57 | 80.7% | 2 |
| December 2025 | 52 | 52 | 78.9% | 0 |
| January 2026 | 58 | 55 | 90.9% | 3 |
| February 2026 | 56 | 53 | 77.4% | 3 |
| March 2026 | 62 | 58 | 77.6% | 4 |
| April 2026 | 42 | 40 | 75.0% | 2 |
| May 2026 | 6 | 6 | 16.7% | 0 |
| June 2026 | 12 | 12 | 91.7% | 0 |
| July 2026 | 14 | 14 | 85.7% | 0 |