Flight OddsUA691 STL → IAH
United Airlines · St. Louis, MO to Houston, TX · 8 flights observed, 2025-07-04 to 2025-07-28 · 667 mi
UA691 covers more than one route in the data window — the stats below are for STL → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
63%
Median delay
+2 min
90th percentile
+177 min
Cancellation rate
0%
How often is UA691 on time?
Across 8 flights on STL → IAH from 2025-07-04 to 2025-07-28, UA691 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +177 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 5 | 63% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 13% |
| 61-120 min | 1 | 13% |
| 2+ hrs | 1 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 8 | 63% | +63 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | 4 | 50% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…