Flight profile · United Airlines
UA1743
Houston (IAH) to Los Angeles (LAX) · scheduled 4:20 PM – 6:10 PM
How UA1743 performs
973 operations, 2023-09-05 to 2026-06-30.
UA1743 arrived on time 79.4% of the time, against 82.8% for all IAH → LAX flights — this specific departure is 3.4 percentage points worse than the route as a whole. Against United Airlines’s own flights on this route it is 3.4 points worse.
Source: US DOT Bureau of Transportation Statistics · 973 operations between 2023-09-05 to 2026-06-30
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| UA1743 | 79.4% | 1.23% | -5 min | 6.7% | 973 |
| United Airlines on IAH → LAX | 82.8% | 1.03% | -7 min | 5.9% | 10,204 |
| All IAH → LAX flights | 82.8% | 1.03% | -8 min | 5.9% | 16,077 |
Source: FlyerIntel analysis of US DOT BTS data · 2023-09-05 to 2026-06-30
By day of week
Does UA1743 run worse on particular days?
Monday is historically the most reliable day and Wednesday the least, a gap of 12.5 percentage points.
Source: FlyerIntel analysis of US DOT BTS data · 2023-09-05 to 2026-06-30 · Days with fewer than 120 operations are not scored.
Other routes UA1743 has flown
A flight number is a slot in a schedule, and carriers reassign it. These are the other city pairs this number served in the analysis period.
| Route | Operated | Flights | On time |
|---|---|---|---|
| MIA→IAH Miami to Houston | 2025-12-18 – 2026-05-20 | 98 | 92.8% |
| LAX→SMF Los Angeles to Sacramento | 2026-02-13 – 2026-02-28 | 7 | — |
| LAX→SFO Los Angeles to San Francisco | 2023-10-29 – 2026-02-07 | 233 | 62.2% |
| LAX→DEN Los Angeles to Denver | 2025-12-18 – 2026-01-05 | 19 | — |
| SFO→SBA San Francisco to Santa Barbara | 2025-06-26 – 2025-12-01 | 149 | 79.9% |
| IAD→IAH Washington to Houston | 2025-05-22 – 2025-06-25 | 35 | — |
| LAX→ORD Los Angeles to Chicago | 2025-05-04 – 2025-05-04 | 1 | — |
| SFO→FLL San Francisco to Fort Lauderdale | 2025-03-06 – 2025-03-29 | 18 | — |
| LGA→IAH New York to Houston | 2023-09-05 – 2025-02-12 | 105 | 87.5% |
| MSY→IAH New Orleans to Houston | 2024-12-19 – 2025-01-06 | 19 | — |
| PHL→IAH Philadelphia to Houston | 2023-10-29 – 2024-10-26 | 212 | 88.0% |
| ORD→PHL Chicago to Philadelphia | 2024-06-27 – 2024-06-30 | 4 | — |
| LAX→LAS Los Angeles to Las Vegas | 2024-01-12 – 2024-01-12 | 1 | — |
| IAD→EWR Washington to Newark | 2023-07-01 – 2023-09-04 | 66 | — |
Because the same number has served different journeys, the statistics above describe only the route UA1743 currently operates. Blending them would produce an average of two different flights.
Data and methodology
Calculated by FlyerIntel from 973 records of UA1743 operating IAH → LAX, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule. Cancelled and diverted flights are excluded from the on-time rate and reported separately. Flight numbers are resolved as carrier plus number plus route, because the same number serves different routes over time.