Flight history · Aug 2025 – Jul 2026 · US DOT on-time records

UA 663 · San Jose (SJC) → Denver (DEN)

Sold by United. Still flying: 16 of the last 56 days.

Arrives on time73%within 15 minutes, of 30 flights
Cancelled0.0%of scheduled flights
An hour or more late10%of flights that operated
When late, on average62 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Denver is 1 h ahead of San Jose).

Leaves SJC
14:32
Arrives DEN
18:10
Flight time
2h 38m
Days flown, last 8 weeks
16 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.

15+ min late27%
30+ min late20%
1h+ late10%
2h+ late3%
10%20%30%40%50% 015301h1h302h3h

Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.

Its hour at SJC

All flights leaving San Jose (SJC) at 2–3 pm, wherever they’re going: 73% left within 15 minutes and 0.7% were cancelled (3,186 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.