Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 4578 · Rochester (ROC) → Dulles (IAD)
Sold by United, flown by GoJet. Still flying: 33 of the last 56 days (Daily).
Arrives on time91%within 15 minutes, of 33 flights
Cancelled3.0%of scheduled flights
An hour or more late6%of flights that operated
When late, on average139 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves ROC
- 06:10
- Arrives IAD
- 07:31
- Flight time
- 1h 21m
- Days flown, last 8 weeks
- 33 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 ROC
All flights leaving Rochester (ROC) at 6–7 am, wherever they’re going: 91% left within 15 minutes and 2.4% were cancelled (3,456 flights in the year). Other United flights on this route →
Upcoming forecasts
This flight isn’t in our published forecasts for the next few days.