Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
F9 3691 · Dulles (IAD) → Atlanta (ATL)
Sold by Frontier. Still flying: 40 of the last 56 days (Tue, Wed, Thu, Fri, Sun).
Arrives on time56%within 15 minutes, of 74 flights
Cancelled4.1%of scheduled flights
An hour or more late25%of flights that operated
When late, on average104 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves IAD
- 20:40
- Arrives ATL
- 22:56
- Flight time
- 2h 16m
- Days flown, last 8 weeks
- 40 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 IAD
All flights leaving Dulles (IAD) at 8–9 pm, wherever they’re going: 70% left within 15 minutes and 1.9% were cancelled (970 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.