Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 2433 · Newark (EWR) → Boston (BOS)
Sold by United. Still flying: 21 of the last 56 days (Tue).
Arrives on time69%within 15 minutes, of 34 flights
Cancelled5.9%of scheduled flights
An hour or more late28%of flights that operated
When late, on average114 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves EWR
- 16:30
- Arrives BOS
- 17:57
- Flight time
- 1h 27m
- Days flown, last 8 weeks
- 21 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 EWR
All flights leaving Newark (EWR) at 4–5 pm, wherever they’re going: 76% left within 15 minutes and 3.7% were cancelled (9,373 flights in the year). Other United flights on this route →
Upcoming forecasts
Our odds that this flight is late or cancelled on the days we publish.