Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 539 · Dallas-Fort Worth (DFW) → Houston (IAH)
Sold by United. Still flying: 47 of the last 56 days (Mon, Tue, Wed, Thu, Fri, Sun).
Arrives on time85%within 15 minutes, of 231 flights
Cancelled1.7%of scheduled flights
An hour or more late7%of flights that operated
When late, on average107 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves DFW
- 11:59
- Arrives IAH
- 13:17
- Flight time
- 1h 18m
- Days flown, last 8 weeks
- 47 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 DFW
All flights leaving Dallas-Fort Worth (DFW) at 11 am–12 pm, wherever they’re going: 73% left within 15 minutes and 2.3% were cancelled (14,522 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.