Flight OddsUA3997 CLE → IAH
United Airlines · Cleveland, OH to Houston, TX · 19 flights observed, 2026-01-08 to 2026-02-09 · 1,091 mi
UA3997 covers more than one route in the data window — the stats below are for CLE → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
94%
Median delay
-19 min
90th percentile
+5 min
Cancellation rate
5%
How often is UA3997 on time?
Across 19 flights on CLE → IAH from 2026-01-08 to 2026-02-09, UA3997 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -19 min, and the worst 10% of flights arrived +5 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 17 | 94% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 6% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 12 | 92% | -5 min |
| 2026-02 | 6 | 100% | -33 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 5 | 100% |
| Fri | 5 | 100% |
| Sat | No data | — |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…