UA1397
UA1397 (United Airlines) is a multi-stop service on 15 routes, busiest Houston to Newark. Of 1,009 departures recorded from October 2024 to July 2026, 74.0% left on time, according to the US BTS.
- On-time departures74.0%of 1,009 flights
- Average delay19.1 min
- July 202662▲ 100.0%vs July 2025
- Cancelled1.1%
- Legs flown under this number15
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 | 53 | 53 | 0.0% |
| February | 38 | 37 | ▼ 2.6% |
| March | 55 | 31 | ▼ 43.6% |
| April | 30 | 30 | 0.0% |
| May | 48 | 49 | ▲ 2.1% |
| June | 78 | 81 | ▲ 3.8% |
| July | 31 | 62 | ▲ 100.0% |
| August | 62 | – | – |
| September | 37 | – | – |
| October | 61 | – | in progress |
| November | 56 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 333 | 343 | ▲ 3.0% |
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 | 82.4% | 75.0% | ▼ 8.9% |
| February | 84.2% | 80.0% | ▼ 5.0% |
| March | 61.1% | 87.1% | ▲ 42.5% |
| April | 63.3% | 73.3% | ▲ 15.8% |
| May | 58.3% | 83.7% | ▲ 43.4% |
| June | 68.0% | 78.5% | ▲ 15.5% |
| July | 56.7% | 85.0% | ▲ 50.0% |
| August | 64.5% | – | – |
| September | 89.2% | – | – |
| October | 80.3% | – | in progress |
| November | 73.2% | – | – |
| December | 81.3% | – | – |
| Year-to-date average (Jan–Jul) | 67.7% | 80.4% | ▲ 18.7% |
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 | 2 | 1 | ▼ 50.0% |
| February | 0 | 2 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 2 | – |
| July | 1 | 2 | ▲ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 7 | ▲ 75.0% |
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 98.9% 998
- Cancelled 1.1% 11
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IAH EWR George Bush Intercontinental Airport – Newark Liberty International Airport | 2,250 | 24.5 min | 68.3% | 426 |
| LAX IAH Los Angeles International Airport – George Bush Intercontinental Airport | 2,215 | -1.9 min | 94.9% | 175 |
| EWR BTV Newark Liberty International Airport – Patrick Leahy Burlington International Airport | 429 | 25.0 min | 59.9% | 168 |
| ORD IAH Chicago O'Hare International Airport – George Bush Intercontinental Airport | 1,491 | 0.2 min | 91.9% | 37 |
| SNA IAH John Wayne Orange County International Airport – George Bush Intercontinental Airport | 2,163 | -6.9 min | 100.0% | 32 |
| SAT IAH San Antonio International Airport – George Bush Intercontinental Airport | 306 | 0.0 min | 83.9% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 25 | 25 | 92.0% | 0 |
| November 2024 | 29 | 29 | 51.7% | 0 |
| December 2024 | 31 | 31 | 54.8% | 0 |
| January 2025 | 53 | 51 | 82.4% | 2 |
| February 2025 | 38 | 38 | 84.2% | 0 |
| March 2025 | 55 | 54 | 61.1% | 1 |
| April 2025 | 30 | 30 | 63.3% | 0 |
| May 2025 | 48 | 48 | 58.3% | 0 |
| June 2025 | 78 | 78 | 68.0% | 0 |
| July 2025 | 31 | 30 | 56.7% | 1 |
| August 2025 | 62 | 62 | 64.5% | 0 |
| September 2025 | 37 | 37 | 89.2% | 0 |
| October 2025 | 61 | 61 | 80.3% | 0 |
| November 2025 | 56 | 56 | 73.2% | 0 |
| December 2025 | 32 | 32 | 81.3% | 0 |
| January 2026 | 53 | 52 | 75.0% | 1 |
| February 2026 | 37 | 35 | 80.0% | 2 |
| March 2026 | 31 | 31 | 87.1% | 0 |
| April 2026 | 30 | 30 | 73.3% | 0 |
| May 2026 | 49 | 49 | 83.7% | 0 |
| June 2026 | 81 | 79 | 78.5% | 2 |
| July 2026 | 62 | 60 | 85.0% | 2 |