Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 1797 · Houston (IAH) → Newark (EWR)
Sold by United. Still flying: 56 of the last 56 days (Daily).
Arrives on time93%within 15 minutes, of 287 flights
Cancelled0.7%of scheduled flights
An hour or more late2%of flights that operated
When late, on average51 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Newark is 1 h ahead of Houston).
- Leaves IAH
- 06:01
- Arrives EWR
- 10:36
- Flight time
- 3h 35m
- 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 IAH
All flights leaving Houston (IAH) at 6–7 am, wherever they’re going: 91% left within 15 minutes and 2.4% were cancelled (4,588 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.