UA1798
UA1798 (United Airlines) is a multi-stop service on 10 routes, busiest Houston to Phoenix. Of 1,084 departures recorded from October 2024 to July 2026, 86.1% left on time, according to the US BTS.
- On-time departures86.1%of 1,084 flights
- Average delay7.1 min
- July 202631▼ 50.0%vs July 2025
- Cancelled0.5%
- Legs flown under this number10
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 | 56 | 36 | ▼ 35.7% |
| February | 56 | 23 | ▼ 58.9% |
| March | 62 | 36 | ▼ 41.9% |
| April | 60 | 90 | ▲ 50.0% |
| May | 62 | 71 | ▲ 14.5% |
| June | 60 | 30 | ▼ 50.0% |
| July | 62 | 31 | ▼ 50.0% |
| August | 59 | – | – |
| September | 51 | – | – |
| October | 56 | – | in progress |
| November | 30 | – | – |
| December | 59 | – | – |
| Year to date (Jan–Jul) | 418 | 317 | ▼ 24.2% |
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 | 88.9% | 91.7% | ▲ 3.1% |
| February | 96.4% | 87.0% | ▼ 9.8% |
| March | 88.7% | 86.1% | ▼ 2.9% |
| April | 91.7% | 91.1% | ▼ 0.6% |
| May | 86.9% | 80.3% | ▼ 7.6% |
| June | 73.3% | 80.0% | ▲ 9.1% |
| July | 75.8% | 100.0% | ▲ 31.9% |
| August | 89.7% | – | – |
| September | 88.2% | – | – |
| October | 75.0% | – | in progress |
| November | 90.0% | – | – |
| December | 79.3% | – | – |
| Year-to-date average (Jan–Jul) | 86.0% | 88.0% | ▲ 2.4% |
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 | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 3 | 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 99.5% 1,079
- Cancelled 0.5% 5
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IAH PHX George Bush Intercontinental Airport – Phoenix Sky Harbor International Airport | 1,620 | 9.6 min | 84.1% | 555 |
| PHL IAH Philadelphia International Airport – George Bush Intercontinental Airport | 2,130 | -1.6 min | 94.7% | 135 |
| DTW IAH Detroit Metropolitan Wayne County Airport – George Bush Intercontinental Airport | 1,731 | 0.6 min | 92.1% | 126 |
| PHX EWR Phoenix Sky Harbor International Airport – Newark Liberty International Airport | 3,425 | 13.5 min | 74.8% | 116 |
| SAT IAH San Antonio International Airport – George Bush Intercontinental Airport | 306 | -0.1 min | 93.5% | 46 |
| LAX HNL Los Angeles International Airport – Daniel K. Inouye International Airport | 4,109 | -3.1 min | 97.3% | 37 |
| TPA IAH Tampa International Airport – George Bush Intercontinental Airport | 1,265 | 22.6 min | 71.4% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 44 | 44 | 86.4% | 0 |
| January 2025 | 56 | 54 | 88.9% | 2 |
| February 2025 | 56 | 56 | 96.4% | 0 |
| March 2025 | 62 | 62 | 88.7% | 0 |
| April 2025 | 60 | 60 | 91.7% | 0 |
| May 2025 | 62 | 61 | 86.9% | 1 |
| June 2025 | 60 | 60 | 73.3% | 0 |
| July 2025 | 62 | 62 | 75.8% | 0 |
| August 2025 | 59 | 58 | 89.7% | 1 |
| September 2025 | 51 | 51 | 88.2% | 0 |
| October 2025 | 56 | 56 | 75.0% | 0 |
| November 2025 | 30 | 30 | 90.0% | 0 |
| December 2025 | 59 | 58 | 79.3% | 1 |
| January 2026 | 36 | 36 | 91.7% | 0 |
| February 2026 | 23 | 23 | 87.0% | 0 |
| March 2026 | 36 | 36 | 86.1% | 0 |
| April 2026 | 90 | 90 | 91.1% | 0 |
| May 2026 | 71 | 71 | 80.3% | 0 |
| June 2026 | 30 | 30 | 80.0% | 0 |
| July 2026 | 31 | 31 | 100.0% | 0 |