Flight OddsUnited Airlines · Mission/McAllen/Edinburg, TX to Houston, TX · 34 flights observed, 2025-08-19 to 2025-09-24 · 316 mi
UA4312 covers more than one route in the data window — the stats below are for MFE → IAH, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA4312 on time?
Across 34 flights on MFE → IAH from 2025-08-19 to 2025-09-24, UA4312 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +68 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 | 25 | 74% |
| 16-30 min | 3 | 9% |
| 31-60 min | 1 | 3% |
| 61-120 min | 3 | 9% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 69% | +28 min |
| 2025-09 | 21 | 76% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 6 | 67% |
| Wed | 6 | 67% |
| Thu | 5 | 60% |
| Fri | 5 | 100% |
| Sat | 2 | 100% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…