DL1971
DL1971 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Salt Lake City to Bozeman. Of 472 departures recorded from June 2025 to July 2026, 88.3% left on time, according to the US BTS.
- On-time departures88.3%of 472 flights
- Average delay1.5 min
- July 202662▲ 0.0%vs July 2025
- Cancelled0.9%
- Legs flown under this number2
Recorded departures by month
Short series — DL1971 has only 9 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 periods9 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | 46 | 48 | ▲ 4.3% |
| July | 62 | 62 | 0.0% |
| August | 52 | – | – |
| September | 44 | – | – |
| October | 62 | – | in progress |
| November | 58 | – | – |
| December | 38 | – | – |
according to the US BTS · June 2025 → July 2026
On-time departures by month
Short series — DL1971 has only 9 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 periods9 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | 91.3% | 85.4% | ▼ 6.4% |
| July | 86.7% | 93.6% | ▲ 7.9% |
| August | 80.8% | – | – |
| September | 93.2% | – | – |
| October | 88.7% | – | in progress |
| November | 85.7% | – | – |
| December | 89.5% | – | – |
according to the US BTS · June 2025 → July 2026
Average departure delay by month
Short series — DL1971 has only 9 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 — DL1971 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods9 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| 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 · 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 99.2% 468
- Cancelled 0.8% 4
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SLC BZN Salt Lake City International Airport – Bozeman Yellowstone International Airport | 559 | 3.5 min | 87.2% | 236 |
| BZN SLC Bozeman Yellowstone International Airport – Salt Lake City International Airport | 559 | -0.4 min | 89.3% | 236 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| June 2025 | 46 | 46 | 91.3% | 0 |
| July 2025 | 62 | 60 | 86.7% | 2 |
| August 2025 | 52 | 52 | 80.8% | 0 |
| September 2025 | 44 | 44 | 93.2% | 0 |
| October 2025 | 62 | 62 | 88.7% | 0 |
| November 2025 | 58 | 56 | 85.7% | 2 |
| December 2025 | 38 | 38 | 89.5% | 0 |
| June 2026 | 48 | 48 | 85.4% | 0 |
| July 2026 | 62 | 62 | 93.6% | 0 |