DL1632
DL1632 (Delta Air Lines) is a multi-stop service on 6 routes, busiest Houston to Detroit. Of 478 departures recorded from October 2024 to July 2026, 83.0% left on time, according to the US BTS.
- On-time departures83.0%of 478 flights
- Average delay6.7 min
- July 202621▼ 32.3%vs July 2025
- Cancelled0.6%
- Legs flown under this number6
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 27 | – |
| February | – | 39 | – |
| March | 23 | 36 | ▲ 56.5% |
| April | 30 | 30 | 0.0% |
| May | 31 | 6 | ▼ 80.6% |
| June | 30 | – | – |
| July | 31 | 21 | ▼ 32.3% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 19 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 74.1% | – |
| February | – | 89.7% | – |
| March | 87.0% | 85.7% | ▼ 1.4% |
| April | 86.7% | 93.3% | ▲ 7.7% |
| May | 87.1% | 66.7% | ▼ 23.5% |
| June | 80.0% | – | – |
| July | 74.2% | 31.6% | ▼ 57.4% |
| August | 77.4% | – | – |
| September | 93.3% | – | – |
| October | 93.6% | – | in progress |
| November | 86.7% | – | – |
| December | 89.5% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | – | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 99.4% 475
- Cancelled 0.6% 3
Share of all recorded flights in the period, all legs. · Oct 13, 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 |
|---|---|---|---|---|
| IAH DTW George Bush Intercontinental Airport – Detroit Metropolitan Wayne County Airport | 1,731 | 5.6 min | 84.5% | 348 |
| LAS LAX Harry Reid International Airport – Los Angeles International Airport | 380 | -1.7 min | 88.6% | 36 |
| ATL LEX Hartsfield Jackson Atlanta International Airport – Blue Grass Airport | 489 | 4.8 min | 81.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 66.7% | 0 |
| November 2024 | 14 | 14 | 85.7% | 0 |
| December 2024 | 7 | 7 | 100.0% | 0 |
| March 2025 | 23 | 23 | 87.0% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 30 | 30 | 80.0% | 0 |
| July 2025 | 31 | 31 | 74.2% | 0 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 30 | 30 | 86.7% | 0 |
| December 2025 | 19 | 19 | 89.5% | 0 |
| January 2026 | 27 | 27 | 74.1% | 0 |
| February 2026 | 39 | 39 | 89.7% | 0 |
| March 2026 | 36 | 35 | 85.7% | 1 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 6 | 6 | 66.7% | 0 |
| July 2026 | 21 | 19 | 31.6% | 2 |