DL1570
DL1570 (Delta Air Lines) is a multi-stop service on 6 routes, busiest Boston to Orlando. Of 680 departures recorded from October 2024 to July 2026, 72.9% left on time, according to the US BTS.
- On-time departures72.9%of 680 flights
- Average delay21.1 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.3%
- Legs flown under this number6
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 | 31 | 25 | ▼ 19.4% |
| February | 28 | 28 | 0.0% |
| March | 54 | 31 | ▼ 42.6% |
| April | 43 | 30 | ▼ 30.2% |
| May | 31 | 12 | ▼ 61.3% |
| June | 30 | 9 | ▼ 70.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 26 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 248 | 166 | ▼ 33.1% |
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 | 83.9% | 87.5% | ▲ 4.3% |
| February | 85.7% | 84.6% | ▼ 1.3% |
| March | 75.5% | 83.9% | ▲ 11.1% |
| April | 65.1% | 86.7% | ▲ 33.1% |
| May | 67.7% | 100.0% | ▲ 47.6% |
| June | 36.7% | 88.9% | ▲ 142.4% |
| July | 35.5% | 93.6% | ▲ 163.7% |
| August | 43.3% | – | – |
| September | 70.0% | – | – |
| October | 46.7% | – | in progress |
| November | 62.5% | – | – |
| December | 70.4% | – | – |
| Year-to-date average (Jan–Jul) | 64.3% | 89.3% | ▲ 38.9% |
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 | 1 | – |
| February | 0 | 2 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 1 | 3 | ▲ 200.0% |
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 98.7% 671
- Cancelled 1.3% 9
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS MCO Boston Logan International Airport – Orlando International Airport | 1,806 | 14.6 min | 83.4% | 347 |
| MCO BOS Orlando International Airport – Boston Logan International Airport | 1,806 | 33.3 min | 56.3% | 285 |
| PHX SEA Phoenix Sky Harbor International Airport – Seattle–Tacoma International Airport | 1,782 | -2.3 min | 92.1% | 38 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 50 | 50 | 84.0% | 0 |
| December 2024 | 50 | 50 | 82.0% | 0 |
| January 2025 | 31 | 31 | 83.9% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 54 | 53 | 75.5% | 1 |
| April 2025 | 43 | 43 | 65.1% | 0 |
| May 2025 | 31 | 31 | 67.7% | 0 |
| June 2025 | 30 | 30 | 36.7% | 0 |
| July 2025 | 31 | 31 | 35.5% | 0 |
| August 2025 | 31 | 30 | 43.3% | 1 |
| September 2025 | 30 | 30 | 70.0% | 0 |
| October 2025 | 30 | 30 | 46.7% | 0 |
| November 2025 | 26 | 24 | 62.5% | 2 |
| December 2025 | 29 | 27 | 70.4% | 2 |
| January 2026 | 25 | 24 | 87.5% | 1 |
| February 2026 | 28 | 26 | 84.6% | 2 |
| March 2026 | 31 | 31 | 83.9% | 0 |
| April 2026 | 30 | 30 | 86.7% | 0 |
| May 2026 | 12 | 12 | 100.0% | 0 |
| June 2026 | 9 | 9 | 88.9% | 0 |
| July 2026 | 31 | 31 | 93.6% | 0 |