Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
DL 5644 · Baltimore (BWI) → Boston (BOS)
Sold by Delta, flown by Republic. Still flying: 49 of the last 56 days (Mon, Tue, Wed, Thu, Fri, Sun).
Arrives on time67%within 15 minutes, of 303 flights
Cancelled5.9%of scheduled flights
An hour or more late18%of flights that operated
When late, on average89 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves BWI
- 18:21
- Arrives BOS
- 20:00
- Flight time
- 1h 39m
- Days flown, last 8 weeks
- 49 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 6–7 pm, wherever they’re going: 65% left within 15 minutes and 2.2% were cancelled (6,845 flights in the year). Other Delta flights on this route →
Upcoming forecasts
Our odds that this flight is late or cancelled on the days we publish.