Flight OddsUA6138 IAH → SAT
United Airlines · Houston, TX to San Antonio, TX · 9 flights observed, 2025-07-04 to 2025-07-27 · 191 mi
UA6138 covers more than one route in the data window — the stats below are for IAH → SAT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
-4 min
90th percentile
+52 min
Cancellation rate
0%
How often is UA6138 on time?
Across 9 flights on IAH → SAT from 2025-07-04 to 2025-07-27, UA6138 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +52 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 | 8 | 89% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 9 | 89% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | 1 | 100% |
| Sat | 4 | 100% |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…