DL1677
DL1677 (Delta Air Lines) flies Boston to Austin. Of 585 departures recorded from October 2024 to July 2026, 60.2% left on time, according to the US BTS.
- On-time departures60.2%of 585 flights
- Average delay39.8 min
- July 202627▲ 12.5%vs July 2025
- Cancelled2.9%
according to the US BTS · Oct 13, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 16 | 28 | ▲ 75.0% |
| February | 22 | 28 | ▲ 27.3% |
| March | 26 | 31 | ▲ 19.2% |
| April | 28 | 30 | ▲ 7.1% |
| May | 26 | 31 | ▲ 19.2% |
| June | 28 | 27 | ▼ 3.6% |
| July | 24 | 27 | ▲ 12.5% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 26 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 170 | 202 | ▲ 18.8% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 68.8% | 73.1% | ▲ 6.3% |
| February | 63.6% | 84.6% | ▲ 33.0% |
| March | 50.0% | 63.0% | ▲ 25.9% |
| April | 67.9% | 80.0% | ▲ 17.9% |
| May | 34.6% | 71.0% | ▲ 105.0% |
| June | 55.6% | 69.2% | ▲ 24.6% |
| July | 63.6% | 33.3% | ▼ 47.6% |
| August | 51.7% | – | – |
| September | 37.9% | – | – |
| October | 45.2% | – | in progress |
| November | 52.0% | – | – |
| December | 71.4% | – | – |
| Year-to-date average (Jan–Jul) | 57.7% | 67.7% | ▲ 17.4% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 0 | 2 | – |
| March | 2 | 4 | ▲ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 1 | 0.0% |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 5 | 9 | ▲ 80.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 97.1% 568
- Cancelled 2.9% 17
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS AUS Boston Logan International Airport – Austin Bergstrom International Airport | 2,729 | 39.8 min | 60.2% | 585 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 62.5% | 0 |
| November 2024 | 23 | 23 | 73.9% | 0 |
| December 2024 | 29 | 29 | 58.6% | 0 |
| January 2025 | 16 | 16 | 68.8% | 0 |
| February 2025 | 22 | 22 | 63.6% | 0 |
| March 2025 | 26 | 24 | 50.0% | 2 |
| April 2025 | 28 | 28 | 67.9% | 0 |
| May 2025 | 26 | 26 | 34.6% | 0 |
| June 2025 | 28 | 27 | 55.6% | 1 |
| July 2025 | 24 | 22 | 63.6% | 2 |
| August 2025 | 29 | 29 | 51.7% | 0 |
| September 2025 | 30 | 29 | 37.9% | 1 |
| October 2025 | 31 | 31 | 45.2% | 0 |
| November 2025 | 26 | 25 | 52.0% | 1 |
| December 2025 | 29 | 28 | 71.4% | 1 |
| January 2026 | 28 | 26 | 73.1% | 2 |
| February 2026 | 28 | 26 | 84.6% | 2 |
| March 2026 | 31 | 27 | 63.0% | 4 |
| April 2026 | 30 | 30 | 80.0% | 0 |
| May 2026 | 31 | 31 | 71.0% | 0 |
| June 2026 | 27 | 26 | 69.2% | 1 |
| July 2026 | 27 | 27 | 33.3% | 0 |