Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 1238 · Fort Lauderdale (FLL) → Denver (DEN)
Sold by United. Still flying: 19 of the last 56 days.
Arrives on time79%within 15 minutes, of 24 flights
Cancelled0.0%of scheduled flights
An hour or more late17%of flights that operated
When late, on average132 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Denver is 2 h behind Fort Lauderdale).
- Leaves FLL
- 15:30
- Arrives DEN
- 18:18
- Flight time
- 4h 48m
- Days flown, last 8 weeks
- 19 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 FLL
All flights leaving Fort Lauderdale (FLL) at 3–4 pm, wherever they’re going: 63% left within 15 minutes and 2.4% were cancelled (5,009 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.