UA3996 OKC → IAH
United Airlines · Oklahoma City, OK to Houston, TX · 89 flights observed, 2026-01-06 to 2026-06-29 · 395 mi
UA3996 covers more than one route in the data window — the stats below are for OKC → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
95%
Median delay
-19 min
90th percentile
+9 min
Cancellation rate
1%
How often is UA3996 on time?
Across 89 flights on OKC → IAH from 2026-01-06 to 2026-06-29, UA3996 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -19 min, and the worst 10% of flights arrived +9 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 84 | 95% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 1% |
| 61-120 min | 3 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 1 | 100% | -6 min |
| 2026-02 | 14 | 100% | -18 min |
| 2026-03 | 7 | 100% | -15 min |
| 2026-04 | 25 | 92% | -12 min |
| 2026-05 | 21 | 100% | -15 min |
| 2026-06 | 20 | 90% | -11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 94% |
| Tue | 10 | 100% |
| Wed | 16 | 100% |
| Thu | 16 | 94% |
| Fri | 15 | 93% |
| Sat | No data | — |
| Sun | 14 | 93% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…