DL1511
DL1511 (Delta Air Lines) is a multi-stop service on 6 routes, busiest Orlando to New York. Of 609 departures recorded from October 2024 to June 2026, 78.8% left on time, according to the US BTS.
- On-time departures78.8%of 609 flights
- Average delay12.4 min
- June 20261▼ 96.7%vs June 2025
- Cancelled2.6%
- Legs flown under this number6
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 26 | 31 | ▲ 19.2% |
| February | 28 | 28 | 0.0% |
| March | 31 | 55 | ▲ 77.4% |
| April | 30 | 42 | ▲ 40.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 1 | ▼ 96.7% |
| July | 31 | – | – |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jun) | 176 | 188 | ▲ 6.8% |
according to the US BTS · October 2024 → June 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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 84.0% | 83.3% | ▼ 0.8% |
| February | 89.3% | 76.9% | ▼ 13.9% |
| March | 90.3% | 83.0% | ▼ 8.1% |
| April | 93.1% | 85.7% | ▼ 7.9% |
| May | 41.9% | 66.7% | ▲ 59.0% |
| June | 50.0% | 0.0% | ▼ 100.0% |
| July | 71.0% | – | – |
| August | 74.2% | – | – |
| September | 96.7% | – | – |
| October | 87.1% | – | in progress |
| November | 80.0% | – | – |
| December | 71.0% | – | – |
| Year-to-date average (Jan–Jun) | 74.8% | 65.9% | ▼ 11.8% |
according to the US BTS · October 2024 → June 2026
Average departure delay by month
according to the US BTS · October 2024 → June 2026
Cancelled departures by month
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 1 | 0.0% |
| February | 0 | 2 | – |
| March | 0 | 8 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 1 | – |
| June | 2 | 0 | ▼ 100.0% |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jun) | 4 | 12 | ▲ 200.0% |
according to the US BTS · October 2024 → June 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 97.4% 593
- Cancelled 2.6% 16
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jun 1, 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 |
|---|---|---|---|---|
| MCO LGA Orlando International Airport – LaGuardia Airport | 1,531 | 5.2 min | 85.1% | 283 |
| ATL SDF Hartsfield Jackson Atlanta International Airport – Louisville Muhammad Ali International Airport | 518 | 14.4 min | 78.1% | 194 |
| LGA MCO LaGuardia Airport – Orlando International Airport | 1,531 | 8.2 min | 85.2% | 60 |
| MCO JFK Orlando International Airport – John F. Kennedy International Airport | 1,521 | 70.8 min | 34.4% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 71.4% | 0 |
| November 2024 | 29 | 29 | 89.7% | 0 |
| December 2024 | 18 | 18 | 88.9% | 0 |
| January 2025 | 26 | 25 | 84.0% | 1 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 31 | 31 | 90.3% | 0 |
| April 2025 | 30 | 29 | 93.1% | 1 |
| May 2025 | 31 | 31 | 41.9% | 0 |
| June 2025 | 30 | 28 | 50.0% | 2 |
| July 2025 | 31 | 31 | 71.0% | 0 |
| August 2025 | 31 | 31 | 74.2% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 30 | 30 | 80.0% | 0 |
| December 2025 | 31 | 31 | 71.0% | 0 |
| January 2026 | 31 | 30 | 83.3% | 1 |
| February 2026 | 28 | 26 | 76.9% | 2 |
| March 2026 | 55 | 47 | 83.0% | 8 |
| April 2026 | 42 | 42 | 85.7% | 0 |
| May 2026 | 31 | 30 | 66.7% | 1 |
| June 2026 | 1 | 1 | 0.0% | 0 |