Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 427 · San Diego (SAN) → Newark (EWR)
Sold by United. Still flying: 55 of the last 56 days (Daily).
Arrives on time84%within 15 minutes, of 363 flights
Cancelled1.9%of scheduled flights
An hour or more late5%of flights that operated
When late, on average64 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Newark is 3 h ahead of San Diego).
- Leaves SAN
- 22:30
- Arrives EWR
- 06:53
- Flight time
- 5h 23m
- Days flown, last 8 weeks
- 55 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 SAN
All flights leaving San Diego (SAN) at 10–11 pm, wherever they’re going: 82% left within 15 minutes and 3.2% were cancelled (4,627 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.