Flight OddsUA4009 SAT → IAH
United Airlines · San Antonio, TX to Houston, TX · 27 flights observed, 2025-09-25 to 2025-10-25 · 191 mi
UA4009 covers more than one route in the data window — the stats below are for SAT → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
93%
Median delay
-8 min
90th percentile
+8 min
Cancellation rate
0%
How often is UA4009 on time?
Across 27 flights on SAT → IAH from 2025-09-25 to 2025-10-25, UA4009 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +8 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 | 25 | 93% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 2 | 7% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 5 | 80% | +11 min |
| 2025-10 | 22 | 95% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 4 | 100% |
| Wed | 4 | 75% |
| Thu | 5 | 80% |
| Fri | 5 | 100% |
| Sat | 5 | 100% |
| Sun | 4 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…