DL2581
DL2581 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Austin to Salt Lake City. Of 577 departures recorded from October 2024 to July 2026, 76.6% left on time, according to the US BTS.
- On-time departures76.6%of 577 flights
- Average delay14.7 min
- July 202662▲ 1,450.0%vs July 2025
- Cancelled0.9%
- Legs flown under this number3
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 52 | 33 | ▼ 36.5% |
| February | 44 | 31 | ▼ 29.5% |
| March | 36 | 32 | ▼ 11.1% |
| April | 30 | 30 | 0.0% |
| May | 31 | 26 | ▼ 16.1% |
| June | 11 | 53 | ▲ 381.8% |
| July | 4 | 62 | ▲ 1,450.0% |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 18 | – | – |
| Year to date (Jan–Jul) | 208 | 267 | ▲ 28.4% |
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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 84.6% | 83.9% | ▼ 0.9% |
| February | 81.8% | 87.1% | ▲ 6.5% |
| March | 86.1% | 71.9% | ▼ 16.5% |
| April | 50.0% | 93.3% | ▲ 86.7% |
| May | 51.6% | 92.0% | ▲ 78.3% |
| June | 90.9% | 75.5% | ▼ 17.0% |
| July | 25.0% | 75.0% | ▲ 200.0% |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 77.8% | – | – |
| Year-to-date average (Jan–Jul) | 67.2% | 82.7% | ▲ 23.1% |
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 periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 2 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 5 |
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 99.1% 572
- Cancelled 0.9% 5
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| AUS SLC Austin Bergstrom International Airport – Salt Lake City International Airport | 1,747 | 16.5 min | 74.8% | 416 |
| SLC AUS Salt Lake City International Airport – Austin Bergstrom International Airport | 1,747 | 11.7 min | 79.3% | 136 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 84.2% | 0 |
| November 2024 | 27 | 27 | 77.8% | 0 |
| December 2024 | 38 | 38 | 57.9% | 0 |
| January 2025 | 52 | 52 | 84.6% | 0 |
| February 2025 | 44 | 44 | 81.8% | 0 |
| March 2025 | 36 | 36 | 86.1% | 0 |
| April 2025 | 30 | 30 | 50.0% | 0 |
| May 2025 | 31 | 31 | 51.6% | 0 |
| June 2025 | 11 | 11 | 90.9% | 0 |
| July 2025 | 4 | 4 | 25.0% | 0 |
| December 2025 | 18 | 18 | 77.8% | 0 |
| January 2026 | 33 | 31 | 83.9% | 2 |
| February 2026 | 31 | 31 | 87.1% | 0 |
| March 2026 | 32 | 32 | 71.9% | 0 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 26 | 25 | 92.0% | 1 |
| June 2026 | 53 | 53 | 75.5% | 0 |
| July 2026 | 62 | 60 | 75.0% | 2 |