Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
F9 4427 · Baltimore (BWI) → Atlanta (ATL)
Sold by Frontier. Still flying: 50 of the last 56 days (Daily).
Arrives on time76%within 15 minutes, of 97 flights
Cancelled1.0%of scheduled flights
An hour or more late4%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.
- Leaves BWI
- 08:36
- Arrives ATL
- 10:47
- Flight time
- 2h 11m
- Days flown, last 8 weeks
- 50 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 BWI
All flights leaving Baltimore (BWI) at 8–9 am, wherever they’re going: 90% left within 15 minutes and 1.2% were cancelled (9,438 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.