DL1245
DL1245 (Delta Air Lines) is a multi-stop service on 5 routes, busiest Boston to West Palm Beach. Of 695 departures recorded from October 2024 to July 2026, 83.4% left on time, according to the US BTS.
- On-time departures83.4%of 695 flights
- Average delay12.9 min
- July 202625▼ 59.7%vs July 2025
- Cancelled2.2%
- Legs flown under this number5
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 | 34 | 31 | ▼ 8.8% |
| February | 32 | 25 | ▼ 21.9% |
| March | 33 | 33 | 0.0% |
| April | 32 | 32 | 0.0% |
| May | 57 | 31 | ▼ 45.6% |
| June | 60 | 6 | ▼ 90.0% |
| July | 62 | 25 | ▼ 59.7% |
| August | 9 | – | – |
| September | 20 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 310 | 183 | ▼ 41.0% |
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 | 79.4% | 79.3% | ▼ 0.1% |
| February | 80.7% | 82.6% | ▲ 2.4% |
| March | 90.6% | 81.8% | ▼ 9.7% |
| April | 90.6% | 96.9% | ▲ 6.9% |
| May | 80.7% | 93.3% | ▲ 15.7% |
| June | 86.4% | 83.3% | ▼ 3.6% |
| July | 91.7% | 86.4% | ▼ 5.8% |
| August | 62.5% | – | – |
| September | 75.0% | – | – |
| October | 90.3% | – | in progress |
| November | 70.0% | – | – |
| December | 61.3% | – | – |
| Year-to-date average (Jan–Jul) | 85.7% | 86.2% | ▲ 0.6% |
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 | 1 | 2 | ▲ 100.0% |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 2 | 3 | ▲ 50.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 8 | ▲ 60.0% |
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 97.8% 680
- Cancelled 2.2% 15
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS DJT Boston Logan International Airport – President Donald J. Trump International Airport | 1,929 | 11.3 min | 87.1% | 456 |
| DJT BOS President Donald J. Trump International Airport – Boston Logan International Airport | 1,929 | 14.4 min | 79.1% | 106 |
| DTW PHX Detroit Metropolitan Wayne County Airport – Phoenix Sky Harbor International Airport | 2,683 | 19.9 min | 74.0% | 100 |
| IAH DTW George Bush Intercontinental Airport – Detroit Metropolitan Wayne County Airport | 1,731 | 8.8 min | 73.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 75.0% | 0 |
| November 2024 | 30 | 30 | 80.0% | 0 |
| December 2024 | 31 | 30 | 86.7% | 1 |
| January 2025 | 34 | 34 | 79.4% | 0 |
| February 2025 | 32 | 31 | 80.7% | 1 |
| March 2025 | 33 | 32 | 90.6% | 1 |
| April 2025 | 32 | 32 | 90.6% | 0 |
| May 2025 | 57 | 57 | 80.7% | 0 |
| June 2025 | 60 | 59 | 86.4% | 1 |
| July 2025 | 62 | 60 | 91.7% | 2 |
| August 2025 | 9 | 8 | 62.5% | 1 |
| September 2025 | 20 | 20 | 75.0% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 30 | 30 | 70.0% | 0 |
| December 2025 | 31 | 31 | 61.3% | 0 |
| January 2026 | 31 | 29 | 79.3% | 2 |
| February 2026 | 25 | 23 | 82.6% | 2 |
| March 2026 | 33 | 33 | 81.8% | 0 |
| April 2026 | 32 | 32 | 96.9% | 0 |
| May 2026 | 31 | 30 | 93.3% | 1 |
| June 2026 | 6 | 6 | 83.3% | 0 |
| July 2026 | 25 | 22 | 86.4% | 3 |