Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
F9 1820 · Phoenix (PHX) → Denver (DEN)
Sold by Frontier. Still flying: 46 of the last 56 days (Mon, Tue, Thu, Fri, Sat, Sun).
Arrives on time75%within 15 minutes, of 220 flights
Cancelled0.5%of scheduled flights
An hour or more late11%of flights that operated
When late, on average74 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Denver is 1 h ahead of Phoenix).
- Leaves PHX
- 18:53
- Arrives DEN
- 21:49
- Flight time
- 1h 56m
- Days flown, last 8 weeks
- 46 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 PHX
All flights leaving Phoenix (PHX) at 6–7 pm, wherever they’re going: 64% left within 15 minutes and 1.0% were cancelled (9,723 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.