DL1580
DL1580 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Boston to Orlando. Of 774 departures recorded from October 2024 to July 2026, 88.6% left on time, according to the US BTS.
- On-time departures88.6%of 774 flights
- Average delay4.7 min
- July 202662▲ 100.0%vs July 2025
- Cancelled1.6%
- Legs flown under this number2
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 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 56 | ▲ 80.6% |
| June | 30 | 60 | ▲ 100.0% |
| July | 31 | 62 | ▲ 100.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 212 | 298 | ▲ 40.6% |
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 | 87.1% | 96.6% | ▲ 10.8% |
| February | 82.1% | 92.3% | ▲ 12.4% |
| March | 93.6% | 96.7% | ▲ 3.3% |
| April | 89.7% | 96.7% | ▲ 7.8% |
| May | 93.6% | 96.4% | ▲ 3.1% |
| June | 96.7% | 93.0% | ▼ 3.8% |
| July | 83.9% | 85.0% | ▲ 1.3% |
| August | 96.8% | – | – |
| September | 76.7% | – | – |
| October | 61.3% | – | in progress |
| November | 70.0% | – | – |
| December | 70.0% | – | – |
| Year-to-date average (Jan–Jul) | 89.5% | 93.8% | ▲ 4.8% |
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 | 2 | – |
| March | 0 | 1 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 3 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 10 | ▲ 900.0% |
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 98.4% 762
- Cancelled 1.6% 12
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 |
|---|---|---|---|---|
| BOS MCO Boston Logan International Airport – Orlando International Airport | 1,806 | 1.3 min | 93.0% | 463 |
| MCO BOS Orlando International Airport – Boston Logan International Airport | 1,806 | 9.6 min | 82.1% | 311 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 90.0% | 0 |
| November 2024 | 40 | 40 | 100.0% | 0 |
| December 2024 | 31 | 31 | 90.3% | 0 |
| January 2025 | 31 | 31 | 87.1% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 30 | 29 | 89.7% | 1 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 30 | 30 | 96.7% | 0 |
| July 2025 | 31 | 31 | 83.9% | 0 |
| August 2025 | 31 | 31 | 96.8% | 0 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 31 | 31 | 61.3% | 0 |
| November 2025 | 30 | 30 | 70.0% | 0 |
| December 2025 | 31 | 30 | 70.0% | 1 |
| January 2026 | 31 | 29 | 96.6% | 2 |
| February 2026 | 28 | 26 | 92.3% | 2 |
| March 2026 | 31 | 30 | 96.7% | 1 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 56 | 56 | 96.4% | 0 |
| June 2026 | 60 | 57 | 93.0% | 3 |
| July 2026 | 62 | 60 | 85.0% | 2 |