Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 1127 · Oklahoma City (OKC) → Houston (IAH)
Sold by United. Still flying: 56 of the last 56 days (Daily).
Arrives on time63%within 15 minutes, of 72 flights
Cancelled1.4%of scheduled flights
An hour or more late10%of flights that operated
When late, on average42 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves OKC
- 07:00
- Arrives IAH
- 08:28
- Flight time
- 1h 28m
- Days flown, last 8 weeks
- 56 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 am, wherever they’re going: 93% left within 15 minutes and 1.8% were cancelled (2,911 flights in the year). Other United flights on this route →
Upcoming forecasts
Our odds that this flight is late or cancelled on the days we publish.