Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 1550 · Los Angeles (LAX) → Seattle (SEA)
Sold by United. Still flying: 14 of the last 56 days (Tue, Wed, Sat).
Arrives on time93%within 15 minutes, of 14 flights
Cancelled0.0%of scheduled flights
An hour or more late0%of flights that operated
When late, on average27 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves LAX
- 16:10
- Arrives SEA
- 19:03
- Flight time
- 2h 53m
- Days flown, last 8 weeks
- 14 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 LAX
All flights leaving Los Angeles (LAX) at 4–5 pm, wherever they’re going: 79% left within 15 minutes and 0.8% were cancelled (9,874 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.