DL664
DL664 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Orlando to Atlanta. Of 1,312 departures recorded from October 2024 to July 2026, 76.8% left on time, according to the US BTS.
- On-time departures76.8%of 1,312 flights
- Average delay14.7 min
- July 202662▲ 0.0%vs July 2025
- Cancelled1.1%
- 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 | 62 | 62 | 0.0% |
| February | 56 | 56 | 0.0% |
| March | 62 | 62 | 0.0% |
| April | 60 | 60 | 0.0% |
| May | 62 | 62 | 0.0% |
| June | 60 | 60 | 0.0% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 56 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 62 | – | – |
| Year to date (Jan–Jul) | 424 | 424 | 0.0% |
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 | 58.3% | 73.8% | ▲ 26.5% |
| February | 78.6% | 75.9% | ▼ 3.4% |
| March | 75.8% | 76.7% | ▲ 1.1% |
| April | 83.3% | 86.7% | ▲ 4.0% |
| May | 66.1% | 74.2% | ▲ 12.2% |
| June | 70.0% | 83.3% | ▲ 19.0% |
| July | 69.4% | 82.3% | ▲ 18.6% |
| August | 87.1% | – | – |
| September | 92.9% | – | – |
| October | 85.3% | – | in progress |
| November | 84.5% | – | – |
| December | 84.5% | – | – |
| Year-to-date average (Jan–Jul) | 71.6% | 79.0% | ▲ 10.2% |
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 | 2 | 1 | ▼ 50.0% |
| February | 0 | 2 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 2 | – | – |
| December | 4 | – | – |
| Year to date (Jan–Jul) | 2 | 5 | ▲ 150.0% |
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 98.9% 1,298
- Cancelled 1.1% 14
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 |
|---|---|---|---|---|
| MCO ATL Orlando International Airport – Hartsfield Jackson Atlanta International Airport | 651 | 17.4 min | 75.2% | 656 |
| ATL MCO Hartsfield Jackson Atlanta International Airport – Orlando International Airport | 651 | 12.0 min | 78.4% | 656 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 72.5% | 0 |
| November 2024 | 60 | 60 | 76.7% | 0 |
| December 2024 | 62 | 62 | 53.2% | 0 |
| January 2025 | 62 | 60 | 58.3% | 2 |
| February 2025 | 56 | 56 | 78.6% | 0 |
| March 2025 | 62 | 62 | 75.8% | 0 |
| April 2025 | 60 | 60 | 83.3% | 0 |
| May 2025 | 62 | 62 | 66.1% | 0 |
| June 2025 | 60 | 60 | 70.0% | 0 |
| July 2025 | 62 | 62 | 69.4% | 0 |
| August 2025 | 62 | 62 | 87.1% | 0 |
| September 2025 | 56 | 56 | 92.9% | 0 |
| October 2025 | 62 | 61 | 85.3% | 1 |
| November 2025 | 60 | 58 | 84.5% | 2 |
| December 2025 | 62 | 58 | 84.5% | 4 |
| January 2026 | 62 | 61 | 73.8% | 1 |
| February 2026 | 56 | 54 | 75.9% | 2 |
| March 2026 | 62 | 60 | 76.7% | 2 |
| April 2026 | 60 | 60 | 86.7% | 0 |
| May 2026 | 62 | 62 | 74.2% | 0 |
| June 2026 | 60 | 60 | 83.3% | 0 |
| July 2026 | 62 | 62 | 82.3% | 0 |