UA3996 OKC → IAH

United Airlines · Oklahoma City, OK to Houston, TX · 89 flights observed, 2026-01-06 to 2026-06-29 · 395 mi

This flight has a strong track record — on time 95% of the time, with a low cancellation rate.

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).

ArrivalFlightsShare
Early / on-time8495%
16-30 min00%
31-60 min11%
61-120 min33%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-011100%-6 min
2026-0214100%-18 min
2026-037100%-15 min
2026-042592%-12 min
2026-0521100%-15 min
2026-062090%-11 min

Performance by day of week

DayFlightsOn-time
Mon1794%
Tue10100%
Wed16100%
Thu1694%
Fri1593%
SatNo data—
Sun1493%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…