Flight OddsUA4001 CMH → IAH
United Airlines · Columbus, OH to Houston, TX · 16 flights observed, 2025-12-02 to 2025-12-17 · 986 mi
UA4001 covers more than one route in the data window — the stats below are for CMH → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
-2 min
90th percentile
+19 min
Cancellation rate
6%
How often is UA4001 on time?
Across 16 flights on CMH → IAH from 2025-12-02 to 2025-12-17, UA4001 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +19 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 12 | 80% |
| 16-30 min | 2 | 13% |
| 31-60 min | 1 | 7% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 15 | 80% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 50% |
| Tue | 3 | 100% |
| Wed | 3 | 100% |
| Thu | 2 | 50% |
| Fri | 2 | 100% |
| Sat | 2 | 50% |
| Sun | 1 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…