Flight OddsUA1801 DEN → SAT
United Airlines · Denver, CO to San Antonio, TX · 48 flights observed, 2025-07-01 to 2025-08-17 · 794 mi
UA1801 covers more than one route in the data window — the stats below are for DEN → SAT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
49%
Median delay
+17 min
90th percentile
+120 min
Cancellation rate
2%
How often is UA1801 on time?
Across 48 flights on DEN → SAT from 2025-07-01 to 2025-08-17, UA1801 arrived within 15 minutes of schedule 49% of the time. The median arrival delay was +17 min, and the worst 10% of flights arrived +120 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 23 | 49% |
| 16-30 min | 4 | 9% |
| 31-60 min | 5 | 11% |
| 61-120 min | 10 | 21% |
| 2+ hrs | 5 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 42% | +46 min |
| 2025-08 | 16 | 63% | +28 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 50% |
| Tue | 7 | 43% |
| Wed | 7 | 57% |
| Thu | 6 | 33% |
| Fri | 7 | 43% |
| Sat | 7 | 57% |
| Sun | 7 | 57% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…