Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 3996 · Oklahoma City (OKC) → Houston (IAH)
Sold by United, flown by Mesa. Still flying: 34 of the last 56 days (Mon, Wed, Thu, Fri).
Arrives on time93%within 15 minutes, of 107 flights
Cancelled0.9%of scheduled flights
An hour or more late4%of flights that operated
When late, on average64 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves OKC
- 19:05
- Arrives IAH
- 20:48
- Flight time
- 1h 43m
- Days flown, last 8 weeks
- 34 of 56
Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.
How late it arrives
Share of flights that operated arriving more than this late.
Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.
Its hour at OKC
All flights leaving Oklahoma City (OKC) at 7–8 pm, wherever they’re going: 70% left within 15 minutes and 1.6% were cancelled (1,296 flights in the year). Other United flights on this route →
Upcoming forecasts
This flight isn’t in our published forecasts for the next few days.