Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
F9 4252 · Salt Lake City (SLC) → Denver (DEN)
Sold by Frontier. Still flying: 29 of the last 56 days (Daily).
Arrives on time80%within 15 minutes, of 165 flights
Cancelled1.2%of scheduled flights
An hour or more late7%of flights that operated
When late, on average97 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves SLC
- 22:50
- Arrives DEN
- 00:38
- Flight time
- 1h 48m
- Days flown, last 8 weeks
- 29 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 SLC
All flights leaving Salt Lake City (SLC) at 10–11 pm, wherever they’re going: 86% left within 15 minutes and 0.7% were cancelled (5,260 flights in the year). Other Frontier flights on this route →
Upcoming forecasts
Our odds that this flight is late or cancelled on the days we publish.