DL1297
DL1297 (Delta Air Lines) is a multi-stop service on 11 routes, busiest Boston to Austin. Of 590 departures recorded from October 2024 to July 2026, 78.4% left on time, according to the US BTS.
- On-time departures78.4%of 590 flights
- Average delay14.2 min
- July 202656▲ 154.5%vs July 2025
- Cancelled1.0%
- Legs flown under this number11
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 | 3 | 14 | ▲ 366.7% |
| February | 17 | 21 | ▲ 23.5% |
| March | 25 | 42 | ▲ 68.0% |
| April | 18 | 31 | ▲ 72.2% |
| May | 30 | 47 | ▲ 56.7% |
| June | 23 | 47 | ▲ 104.3% |
| July | 22 | 56 | ▲ 154.5% |
| August | 21 | – | – |
| September | 25 | – | – |
| October | 27 | – | in progress |
| November | 27 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 138 | 258 | ▲ 87.0% |
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 | 66.7% | 66.7% | 0.0% |
| February | 64.7% | 81.0% | ▲ 25.1% |
| March | 88.0% | 76.9% | ▼ 12.6% |
| April | 88.9% | 80.7% | ▼ 9.3% |
| May | 73.3% | 76.6% | ▲ 4.5% |
| June | 91.3% | 66.0% | ▼ 27.8% |
| July | 95.5% | 69.1% | ▼ 27.6% |
| August | 71.4% | – | – |
| September | 84.0% | – | – |
| October | 81.5% | – | in progress |
| November | 74.1% | – | – |
| December | 87.1% | – | – |
| Year-to-date average (Jan–Jul) | 81.2% | 73.8% | ▼ 9.1% |
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 | 0 | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 3 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 6 |
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 99.0% 584
- Cancelled 1.0% 6
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS AUS Boston Logan International Airport – Austin Bergstrom International Airport | 2,729 | 11.7 min | 82.8% | 375 |
| AUS BOS Austin Bergstrom International Airport – Boston Logan International Airport | 2,729 | 33.7 min | 58.8% | 99 |
| LGA CHS LaGuardia Airport – Charleston International Airport | 1,033 | 7.2 min | 76.9% | 39 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 22 | 22 | 95.5% | 0 |
| November 2024 | 19 | 19 | 79.0% | 0 |
| December 2024 | 22 | 22 | 77.3% | 0 |
| January 2025 | 3 | 3 | 66.7% | 0 |
| February 2025 | 17 | 17 | 64.7% | 0 |
| March 2025 | 25 | 25 | 88.0% | 0 |
| April 2025 | 18 | 18 | 88.9% | 0 |
| May 2025 | 30 | 30 | 73.3% | 0 |
| June 2025 | 23 | 23 | 91.3% | 0 |
| July 2025 | 22 | 22 | 95.5% | 0 |
| August 2025 | 21 | 21 | 71.4% | 0 |
| September 2025 | 25 | 25 | 84.0% | 0 |
| October 2025 | 27 | 27 | 81.5% | 0 |
| November 2025 | 27 | 27 | 74.1% | 0 |
| December 2025 | 31 | 31 | 87.1% | 0 |
| January 2026 | 14 | 12 | 66.7% | 2 |
| February 2026 | 21 | 21 | 81.0% | 0 |
| March 2026 | 42 | 39 | 76.9% | 3 |
| April 2026 | 31 | 31 | 80.7% | 0 |
| May 2026 | 47 | 47 | 76.6% | 0 |
| June 2026 | 47 | 47 | 66.0% | 0 |
| July 2026 | 56 | 55 | 69.1% | 1 |