Flight OddsUA2181 IAH → SAT
United Airlines · Houston, TX to San Antonio, TX · 14 flights observed, 2025-08-19 to 2025-09-01 · 191 mi
UA2181 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
71%
Median delay
-10 min
90th percentile
+98 min
Cancellation rate
0%
How often is UA2181 on time?
Across 14 flights on IAH → SAT from 2025-08-19 to 2025-09-01, UA2181 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +98 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 | 10 | 71% |
| 16-30 min | 1 | 7% |
| 31-60 min | 1 | 7% |
| 61-120 min | 1 | 7% |
| 2+ hrs | 1 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 69% | +15 min |
| 2025-09 | 1 | 100% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 100% |
| Tue | 2 | 50% |
| Wed | 2 | 100% |
| Thu | 2 | 100% |
| Fri | 2 | 50% |
| Sat | 2 | 50% |
| Sun | 2 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…