DL1633
DL1633 (Delta Air Lines) flies Detroit to Houston. Of 558 departures recorded from October 2024 to July 2026, 72.8% left on time, according to the US BTS.
- On-time departures72.8%of 558 flights
- Average delay14.2 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.3%
according to the US BTS · Oct 13, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 9 | 31 | ▲ 244.4% |
| February | 11 | 28 | ▲ 154.5% |
| March | 18 | 31 | ▲ 72.2% |
| April | 18 | 30 | ▲ 66.7% |
| May | 23 | 31 | ▲ 34.8% |
| June | 28 | 30 | ▲ 7.1% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 138 | 212 | ▲ 53.6% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 50.0% | 76.7% | ▲ 53.3% |
| February | 72.7% | 92.9% | ▲ 27.7% |
| March | 66.7% | 70.0% | ▲ 5.0% |
| April | 77.8% | 80.0% | ▲ 2.9% |
| May | 87.0% | 74.2% | ▼ 14.7% |
| June | 61.5% | 70.0% | ▲ 13.7% |
| July | 64.5% | 51.6% | ▼ 20.0% |
| August | 83.3% | – | – |
| September | 86.7% | – | – |
| October | 96.8% | – | in progress |
| November | 64.3% | – | – |
| December | 58.1% | – | – |
| Year-to-date average (Jan–Jul) | 68.6% | 73.6% | ▲ 7.3% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 2 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 2 | ▼ 33.3% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 98.7% 551
- Cancelled 1.3% 7
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DTW IAH Detroit Metropolitan Wayne County Airport – George Bush Intercontinental Airport | 1,731 | 14.2 min | 72.8% | 558 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 83.3% | 0 |
| November 2024 | 18 | 18 | 61.1% | 0 |
| December 2024 | 26 | 26 | 57.7% | 0 |
| January 2025 | 9 | 8 | 50.0% | 1 |
| February 2025 | 11 | 11 | 72.7% | 0 |
| March 2025 | 18 | 18 | 66.7% | 0 |
| April 2025 | 18 | 18 | 77.8% | 0 |
| May 2025 | 23 | 23 | 87.0% | 0 |
| June 2025 | 28 | 26 | 61.5% | 2 |
| July 2025 | 31 | 31 | 64.5% | 0 |
| August 2025 | 31 | 30 | 83.3% | 1 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 29 | 28 | 64.3% | 1 |
| December 2025 | 31 | 31 | 58.1% | 0 |
| January 2026 | 31 | 30 | 76.7% | 1 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 31 | 30 | 70.0% | 1 |
| April 2026 | 30 | 30 | 80.0% | 0 |
| May 2026 | 31 | 31 | 74.2% | 0 |
| June 2026 | 30 | 30 | 70.0% | 0 |
| July 2026 | 31 | 31 | 51.6% | 0 |