UA1373
UA1373 (United Airlines) is a multi-stop service on 13 routes, busiest Chicago to Houston. Of 1,071 departures recorded from October 2024 to July 2026, 80.3% left on time, according to the US BTS.
- On-time departures80.3%of 1,071 flights
- Average delay13.3 min
- July 202661▲ 96.8%vs July 2025
- Cancelled0.8%
- Legs flown under this number13
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 | 93 | 35 | ▼ 62.4% |
| February | 78 | 28 | ▼ 64.1% |
| March | 34 | 58 | ▲ 70.6% |
| April | 55 | 60 | ▲ 9.1% |
| May | 52 | 62 | ▲ 19.2% |
| June | 30 | 60 | ▲ 100.0% |
| July | 31 | 61 | ▲ 96.8% |
| August | 47 | – | – |
| September | 28 | – | – |
| October | 29 | – | in progress |
| November | 56 | – | – |
| December | 61 | – | – |
| Year to date (Jan–Jul) | 373 | 364 | ▼ 2.4% |
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 | 76.4% | 80.0% | ▲ 4.7% |
| February | 92.3% | 78.6% | ▼ 14.9% |
| March | 84.9% | 76.8% | ▼ 9.5% |
| April | 78.2% | 81.7% | ▲ 4.5% |
| May | 73.1% | 80.7% | ▲ 10.4% |
| June | 62.1% | 75.0% | ▲ 20.8% |
| July | 48.4% | 80.3% | ▲ 66.0% |
| August | 91.5% | – | – |
| September | 100.0% | – | – |
| October | 79.3% | – | in progress |
| November | 80.4% | – | – |
| December | 88.5% | – | – |
| Year-to-date average (Jan–Jul) | 73.6% | 79.0% | ▲ 7.3% |
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 | 4 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 1 | 2 | ▲ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 2 | ▼ 66.7% |
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 99.3% 1,063
- Cancelled 0.7% 8
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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD IAH Chicago O'Hare International Airport – George Bush Intercontinental Airport | 1,491 | 11.4 min | 83.3% | 270 |
| IAH SAN George Bush Intercontinental Airport – San Diego International Airport | 2,093 | 16.4 min | 78.3% | 253 |
| IAH IAD George Bush Intercontinental Airport – Washington Dulles International Airport | 1,913 | 15.9 min | 72.6% | 170 |
| PHX IAH Phoenix Sky Harbor International Airport – George Bush Intercontinental Airport | 1,620 | 12.4 min | 85.8% | 148 |
| MSY IAH Louis Armstrong New Orleans International Airport – George Bush Intercontinental Airport | 489 | -6.6 min | 100.0% | 55 |
| SEA ORD Seattle–Tacoma International Airport – Chicago O'Hare International Airport | 2,762 | 9.4 min | 78.4% | 37 |
| IAH DFW George Bush Intercontinental Airport – Dallas Fort Worth International Airport | 362 | 7.9 min | 82.9% | 37 |
| IAH LGA George Bush Intercontinental Airport – LaGuardia Airport | 2,277 | 45.7 min | 45.7% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 30 | 30 | 80.0% | 0 |
| November 2024 | 30 | 30 | 83.3% | 0 |
| December 2024 | 53 | 53 | 83.0% | 0 |
| January 2025 | 93 | 89 | 76.4% | 4 |
| February 2025 | 78 | 78 | 92.3% | 0 |
| March 2025 | 34 | 33 | 84.9% | 1 |
| April 2025 | 55 | 55 | 78.2% | 0 |
| May 2025 | 52 | 52 | 73.1% | 0 |
| June 2025 | 30 | 29 | 62.1% | 1 |
| July 2025 | 31 | 31 | 48.4% | 0 |
| August 2025 | 47 | 47 | 91.5% | 0 |
| September 2025 | 28 | 28 | 100.0% | 0 |
| October 2025 | 29 | 29 | 79.3% | 0 |
| November 2025 | 56 | 56 | 80.4% | 0 |
| December 2025 | 61 | 61 | 88.5% | 0 |
| January 2026 | 35 | 35 | 80.0% | 0 |
| February 2026 | 28 | 28 | 78.6% | 0 |
| March 2026 | 58 | 56 | 76.8% | 2 |
| April 2026 | 60 | 60 | 81.7% | 0 |
| May 2026 | 62 | 62 | 80.7% | 0 |
| June 2026 | 60 | 60 | 75.0% | 0 |
| July 2026 | 61 | 61 | 80.3% | 0 |