DL1538
DL1538 (Delta Air Lines) is a multi-stop service on 9 routes, busiest New York to Miami. Of 529 departures recorded from October 2024 to July 2026, 77.7% left on time, according to the US BTS.
- On-time departures77.7%of 529 flights
- Average delay11.5 min
- July 202661
- Cancelled2.5%
- Legs flown under this number9
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 5 | 18 | ▲ 260.0% |
| February | – | 17 | – |
| March | 1 | 31 | ▲ 3,000.0% |
| April | 17 | 48 | ▲ 182.4% |
| May | 31 | 62 | ▲ 100.0% |
| June | 7 | 60 | ▲ 757.1% |
| July | – | 61 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 42 | – | – |
| December | 50 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 80.0% | 88.9% | ▲ 11.1% |
| February | – | 88.2% | – |
| March | 0.0% | 69.0% | – |
| April | 88.2% | 75.0% | ▼ 15.0% |
| May | 93.6% | 79.7% | ▼ 14.8% |
| June | 85.7% | 79.3% | ▼ 7.5% |
| July | – | 71.9% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 90.5% | – | – |
| December | 62.5% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 3 | – |
| June | 0 | 2 | – |
| July | – | 4 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
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 97.5% 516
- Cancelled 2.5% 13
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGA MIA LaGuardia Airport – Miami International Airport | 1,768 | 9.6 min | 80.3% | 146 |
| MIA LGA Miami International Airport – LaGuardia Airport | 1,768 | 16.8 min | 69.6% | 109 |
| ATL TPA Hartsfield Jackson Atlanta International Airport – Tampa International Airport | 655 | 12.4 min | 69.0% | 100 |
| MIA JFK Miami International Airport – John F. Kennedy International Airport | 1,757 | 26.8 min | 69.2% | 40 |
| JFK MIA John F. Kennedy International Airport – Miami International Airport | 1,757 | 1.9 min | 92.3% | 40 |
| AVL ATL Asheville Regional Airport – Hartsfield Jackson Atlanta International Airport | 264 | 4.0 min | 89.5% | 38 |
| SEA PDX Seattle–Tacoma International Airport – Portland International Airport | 208 | 1.3 min | 90.6% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 84.2% | 0 |
| November 2024 | 29 | 29 | 69.0% | 0 |
| December 2024 | 31 | 31 | 71.0% | 0 |
| January 2025 | 5 | 5 | 80.0% | 0 |
| March 2025 | 1 | 1 | 0.0% | 0 |
| April 2025 | 17 | 17 | 88.2% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 7 | 7 | 85.7% | 0 |
| November 2025 | 42 | 42 | 90.5% | 0 |
| December 2025 | 50 | 48 | 62.5% | 2 |
| January 2026 | 18 | 18 | 88.9% | 0 |
| February 2026 | 17 | 17 | 88.2% | 0 |
| March 2026 | 31 | 29 | 69.0% | 2 |
| April 2026 | 48 | 48 | 75.0% | 0 |
| May 2026 | 62 | 59 | 79.7% | 3 |
| June 2026 | 60 | 58 | 79.3% | 2 |
| July 2026 | 61 | 57 | 71.9% | 4 |