Flight OddsUnited Airlines · Dallas/Fort Worth, TX to Houston, TX · 18 flights observed, 2025-09-25 to 2025-10-24 · 224 mi
UA4031 covers more than one route in the data window — the stats below are for DFW → IAH, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA4031 on time?
Across 18 flights on DFW → IAH from 2025-09-25 to 2025-10-24, UA4031 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +14 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 | 16 | 89% |
| 16-30 min | 1 | 6% |
| 31-60 min | 1 | 6% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 3 | 100% | -1 min |
| 2025-10 | 15 | 87% | 0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | No data | — |
| Wed | 4 | 100% |
| Thu | 5 | 60% |
| Fri | 5 | 100% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…