DL1718
DL1718 (Delta Air Lines) is a multi-stop service on 9 routes, busiest Detroit to Houston. Of 444 departures recorded from October 2024 to July 2026, 76.0% left on time, according to the US BTS.
- On-time departures76.0%of 444 flights
- Average delay14.7 min
- July 20261▼ 80.0%vs July 2025
- Cancelled0.7%
- 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 periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 30 | 33 | ▲ 10.0% |
| February | 26 | 27 | ▲ 3.8% |
| March | 31 | 7 | ▼ 77.4% |
| April | 28 | 16 | ▼ 42.9% |
| May | 25 | 45 | ▲ 80.0% |
| June | 11 | 10 | ▼ 9.1% |
| July | 5 | 1 | ▼ 80.0% |
| August | – | – | – |
| September | 13 | – | – |
| October | 27 | – | in progress |
| November | 10 | – | – |
| December | 18 | – | – |
| Year to date (Jan–Jul) | 156 | 139 | ▼ 10.9% |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 82.8% | 63.6% | ▼ 23.1% |
| February | 69.2% | 81.5% | ▲ 17.7% |
| March | 71.0% | 85.7% | ▲ 20.8% |
| April | 89.3% | 87.5% | ▼ 2.0% |
| May | 80.0% | 69.8% | ▼ 12.8% |
| June | 63.6% | 80.0% | ▲ 25.7% |
| July | 80.0% | 100.0% | ▲ 25.0% |
| August | – | – | – |
| September | 84.6% | – | – |
| October | 77.8% | – | in progress |
| November | 70.0% | – | – |
| December | 44.4% | – | – |
| Year-to-date average (Jan–Jul) | 76.6% | 81.2% | ▲ 6.0% |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 2 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | – | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 100.0% |
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 99.3% 441
- Cancelled 0.7% 3
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 |
|---|---|---|---|---|
| DTW IAH Detroit Metropolitan Wayne County Airport – George Bush Intercontinental Airport | 1,731 | 11.6 min | 77.7% | 356 |
| IAH DTW George Bush Intercontinental Airport – Detroit Metropolitan Wayne County Airport | 1,731 | 44.9 min | 55.6% | 37 |
| DTW MEM Detroit Metropolitan Wayne County Airport – Frederick W. Smith International Airport | 982 | 8.9 min | 74.3% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 31 | 31 | 64.5% | 0 |
| January 2025 | 30 | 29 | 82.8% | 1 |
| February 2025 | 26 | 26 | 69.2% | 0 |
| March 2025 | 31 | 31 | 71.0% | 0 |
| April 2025 | 28 | 28 | 89.3% | 0 |
| May 2025 | 25 | 25 | 80.0% | 0 |
| June 2025 | 11 | 11 | 63.6% | 0 |
| July 2025 | 5 | 5 | 80.0% | 0 |
| September 2025 | 13 | 13 | 84.6% | 0 |
| October 2025 | 27 | 27 | 77.8% | 0 |
| November 2025 | 10 | 10 | 70.0% | 0 |
| December 2025 | 18 | 18 | 44.4% | 0 |
| January 2026 | 33 | 33 | 63.6% | 0 |
| February 2026 | 27 | 27 | 81.5% | 0 |
| March 2026 | 7 | 7 | 85.7% | 0 |
| April 2026 | 16 | 16 | 87.5% | 0 |
| May 2026 | 45 | 43 | 69.8% | 2 |
| June 2026 | 10 | 10 | 80.0% | 0 |
| July 2026 | 1 | 1 | 100.0% | 0 |