Flight OddsIAH → SJU United Airlines
United Airlines · Houston, TX to San Juan, PR · 872 flights, 2025-07-01 to 2026-06-30 · aggregated across 3 flight numbers
On-time arrival
84%
Median delay
-9 min
90th percentile
+28 min
Cancellation rate
0%
How on-time is United Airlines from IAH to SJU?
Across every United Airlines flight number on IAH → SJU (872 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +28 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 727 | 84% |
| 16-30 min | 60 | 7% |
| 31-60 min | 42 | 5% |
| 61-120 min | 27 | 3% |
| 2+ hrs | 13 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 93 | 71% | +22 min |
| 2025-08 | 80 | 73% | +9 min |
| 2025-09 | 60 | 92% | -10 min |
| 2025-10 | 62 | 89% | -7 min |
| 2025-11 | 60 | 80% | -3 min |
| 2025-12 | 76 | 80% | +3 min |
| 2026-01 | 74 | 92% | -10 min |
| 2026-02 | 67 | 91% | -9 min |
| 2026-03 | 74 | 82% | +7 min |
| 2026-04 | 60 | 93% | -17 min |
| 2026-05 | 73 | 82% | -2 min |
| 2026-06 | 90 | 87% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 119 | 87% |
| Tue | 120 | 91% |
| Wed | 118 | 82% |
| Thu | 120 | 83% |
| Fri | 131 | 85% |
| Sat | 130 | 78% |
| Sun | 131 | 79% |
UA flight numbers on IAH → SJU
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…