Flight profile · United Airlines
UA2621
Houston (IAH) to Austin (AUS) · scheduled 8:20 PM – 9:27 PM
How UA2621 performs
460 operations, 2024-12-19 to 2026-06-30.
UA2621 arrived on time 68.9% of the time, against 76.6% for all IAH → AUS flights — this specific departure is 7.6 percentage points worse than the route as a whole. Against United Airlines’s own flights on this route it is 7.5 points worse.
Source: US DOT Bureau of Transportation Statistics · 460 operations between 2024-12-19 to 2026-06-30
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| UA2621 | 68.9% | 0.43% | 0 min | 13.6% | 460 |
| United Airlines on IAH → AUS | 76.4% | 1.24% | -3 min | 8.8% | 7,006 |
| All IAH → AUS flights | 76.6% | 1.21% | -3 min | 8.9% | 7,300 |
Source: FlyerIntel analysis of US DOT BTS data · 2024-12-19 to 2026-06-30
Other routes UA2621 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 |
|---|---|---|---|
| SFO→IAH San Francisco to Houston | 2026-01-06 – 2026-02-11 | 37 | — |
| EGE→IAH Eagle to Houston | 2025-12-18 – 2026-01-05 | 17 | — |
| PIT→IAH Pittsburgh to Houston | 2025-10-26 – 2025-10-31 | 6 | — |
| ORD→IAH Chicago to Houston | 2025-08-19 – 2025-10-25 | 68 | — |
| SJC→ORD San Jose to Chicago | 2025-09-25 – 2025-10-25 | 31 | — |
| JAC→ORD Jackson to Chicago | 2025-08-19 – 2025-09-01 | 14 | — |
| DCA→IAH Washington to Houston | 2023-07-01 – 2025-07-31 | 181 | 68.5% |
| LGA→IAH New York to Houston | 2025-05-22 – 2025-06-25 | 29 | — |
| ICT→DEN Wichita to Denver | 2025-02-13 – 2025-03-05 | 21 | — |
| ORD→CLT Chicago to Charlotte | 2025-01-07 – 2025-02-12 | 37 | — |
| MIA→ORD Miami to Chicago | 2024-03-07 – 2024-12-18 | 248 | 65.2% |
| ORD→SLC Chicago to Salt Lake City | 2024-10-27 – 2024-12-02 | 36 | — |
| ORD→DFW Chicago to Dallas–Fort Worth | 2024-08-20 – 2024-10-26 | 65 | — |
| ORD→PDX Chicago to Portland | 2024-08-19 – 2024-08-23 | 4 | — |
| GSP→ORD Greenville/Greer/Spartanburg to Chicago | 2024-08-19 – 2024-08-21 | 2 | — |
| ORD→SFO Chicago to San Francisco | 2024-07-01 – 2024-08-18 | 49 | — |
| ORD→OMA Chicago to Omaha | 2024-06-27 – 2024-06-30 | 4 | — |
| ORD→DEN Chicago to Denver | 2024-06-01 – 2024-06-26 | 26 | — |
| EWR→ORD Newark to Chicago | 2024-02-15 – 2024-03-06 | 21 | — |
| ORD→IND Chicago to Indianapolis | 2024-02-15 – 2024-02-29 | 7 | — |
| IAH→MSY Houston to New Orleans | 2023-08-01 – 2024-01-08 | 106 | 89.2% |
Because the same number has served different journeys, the statistics above describe only the route UA2621 currently operates. Blending them would produce an average of two different flights.
Data and methodology
Calculated by FlyerIntel from 460 records of UA2621 operating IAH → AUS, 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.