Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
F9 2553 · Denver (DEN) → Portland (PDX)
Sold by Frontier. Still flying: 56 of the last 56 days (Daily).
Arrives on time87%within 15 minutes, of 214 flights
Cancelled0.5%of scheduled flights
An hour or more late5%of flights that operated
When late, on average55 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Portland is 1 h behind Denver).
- Leaves DEN
- 15:08
- Arrives PDX
- 16:51
- Flight time
- 2h 45m
- 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 DEN
All flights leaving Denver (DEN) at 3–4 pm, wherever they’re going: 75% left within 15 minutes and 1.0% were cancelled (17,258 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.