UA1664 IAH → DEN
United Airlines · Houston, TX to Denver, CO · 23 flights observed, 2025-09-02 to 2025-09-24 · 861 mi
On-time arrival
61%
Median delay
+7 min
90th percentile
+35 min
Cancellation rate
0%
How often is UA1664 on time?
Across 23 flights on IAH → DEN from 2025-09-02 to 2025-09-24, UA1664 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +35 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 | 14 | 61% |
| 16-30 min | 5 | 22% |
| 31-60 min | 4 | 17% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 23 | 61% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 4 | 25% |
| Wed | 4 | 75% |
| Thu | 3 | 67% |
| Fri | 3 | 67% |
| Sat | 3 | 67% |
| Sun | 3 | 67% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…