UA1646
UA1646 (United Airlines) is a multi-stop service on 18 routes, busiest Houston to Newark. Of 730 departures recorded from October 2024 to July 2026, 73.5% left on time, according to the US BTS.
- On-time departures73.5%of 730 flights
- Average delay18.6 min
- July 202630▼ 51.6%vs July 2025
- Cancelled1.4%
- Legs flown under this number18
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 | 31 | 7 | ▼ 77.4% |
| February | 44 | 17 | ▼ 61.4% |
| March | 57 | 25 | ▼ 56.1% |
| April | 30 | 30 | 0.0% |
| May | 17 | 31 | ▲ 82.4% |
| June | 20 | 30 | ▲ 50.0% |
| July | 62 | 30 | ▼ 51.6% |
| August | 31 | – | – |
| September | 36 | – | – |
| October | 62 | – | in progress |
| November | 57 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 261 | 170 | ▼ 34.9% |
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 | 82.8% | 57.1% | ▼ 31.0% |
| February | 90.9% | 76.5% | ▼ 15.9% |
| March | 71.9% | 76.0% | ▲ 5.7% |
| April | 56.7% | 93.3% | ▲ 64.7% |
| May | 31.3% | 77.4% | ▲ 147.7% |
| June | 40.0% | 60.0% | ▲ 50.0% |
| July | 70.2% | 53.3% | ▼ 24.0% |
| August | 51.6% | – | – |
| September | 94.4% | – | – |
| October | 63.9% | – | in progress |
| November | 84.2% | – | – |
| December | 78.1% | – | – |
| Year-to-date average (Jan–Jul) | 63.4% | 70.5% | ▲ 11.3% |
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 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 5 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 8 | 0 | ▼ 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 98.6% 720
- Cancelled 1.4% 10
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
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 30 | 30 | 100.0% | 0 |
| December 2024 | 31 | 30 | 76.7% | 1 |
| January 2025 | 31 | 29 | 82.8% | 2 |
| February 2025 | 44 | 44 | 90.9% | 0 |
| March 2025 | 57 | 57 | 71.9% | 0 |
| April 2025 | 30 | 30 | 56.7% | 0 |
| May 2025 | 17 | 16 | 31.3% | 1 |
| June 2025 | 20 | 20 | 40.0% | 0 |
| July 2025 | 62 | 57 | 70.2% | 5 |
| August 2025 | 31 | 31 | 51.6% | 0 |
| September 2025 | 36 | 36 | 94.4% | 0 |
| October 2025 | 62 | 61 | 63.9% | 1 |
| November 2025 | 57 | 57 | 84.2% | 0 |
| December 2025 | 32 | 32 | 78.1% | 0 |
| January 2026 | 7 | 7 | 57.1% | 0 |
| February 2026 | 17 | 17 | 76.5% | 0 |
| March 2026 | 25 | 25 | 76.0% | 0 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 31 | 31 | 77.4% | 0 |
| June 2026 | 30 | 30 | 60.0% | 0 |
| July 2026 | 30 | 30 | 53.3% | 0 |