UA1647
UA1647 (United Airlines) is a multi-stop service on 6 routes, busiest Houston to New Orleans. Of 729 departures recorded from October 2024 to July 2026, 78.2% left on time, according to the US BTS.
- On-time departures78.2%of 729 flights
- Average delay12.0 min
- July 202627▼ 10.0%vs July 2025
- Cancelled1.2%
- Legs flown under this number6
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 | 55 | 31 | ▼ 43.6% |
| February | 40 | 28 | ▼ 30.0% |
| March | 48 | 29 | ▼ 39.6% |
| April | 30 | 30 | 0.0% |
| May | 31 | 28 | ▼ 9.7% |
| June | 52 | 26 | ▼ 50.0% |
| July | 30 | 27 | ▼ 10.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 286 | 199 | ▼ 30.4% |
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 | 84.6% | 90.3% | ▲ 6.7% |
| February | 87.2% | 78.6% | ▼ 9.9% |
| March | 93.6% | 67.9% | ▼ 27.5% |
| April | 83.3% | 93.3% | ▲ 12.0% |
| May | 58.1% | 60.7% | ▲ 4.6% |
| June | 73.1% | 50.0% | ▼ 31.6% |
| July | 48.3% | 36.0% | ▼ 25.4% |
| August | 77.4% | – | – |
| September | 86.7% | – | – |
| October | 83.9% | – | in progress |
| November | 86.7% | – | – |
| December | 82.8% | – | – |
| Year-to-date average (Jan–Jul) | 75.5% | 68.1% | ▼ 9.7% |
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 | 3 | 0 | ▼ 100.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 2 | ▲ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 3 | ▼ 50.0% |
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 98.8% 720
- Cancelled 1.2% 9
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 |
|---|---|---|---|---|
| IAH MSY George Bush Intercontinental Airport – Louis Armstrong New Orleans International Airport | 489 | 10.3 min | 79.0% | 549 |
| TPA IAH Tampa International Airport – George Bush Intercontinental Airport | 1,265 | -3.6 min | 96.6% | 61 |
| BOS EWR Boston Logan International Airport – Newark Liberty International Airport | 322 | 52.8 min | 40.7% | 61 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 34 | 34 | 97.1% | 0 |
| November 2024 | 30 | 30 | 86.7% | 0 |
| December 2024 | 29 | 29 | 86.2% | 0 |
| January 2025 | 55 | 52 | 84.6% | 3 |
| February 2025 | 40 | 39 | 87.2% | 1 |
| March 2025 | 48 | 47 | 93.6% | 1 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 31 | 31 | 58.1% | 0 |
| June 2025 | 52 | 52 | 73.1% | 0 |
| July 2025 | 30 | 29 | 48.3% | 1 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 30 | 30 | 86.7% | 0 |
| December 2025 | 29 | 29 | 82.8% | 0 |
| January 2026 | 31 | 31 | 90.3% | 0 |
| February 2026 | 28 | 28 | 78.6% | 0 |
| March 2026 | 29 | 28 | 67.9% | 1 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 28 | 28 | 60.7% | 0 |
| June 2026 | 26 | 26 | 50.0% | 0 |
| July 2026 | 27 | 25 | 36.0% | 2 |