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

UA 1334 · Chicago (ORD) → San Francisco (SFO)

Sold by United. Still flying: 56 of the last 56 days (Daily).

Arrives on time66%within 15 minutes, of 114 flights
Cancelled0.0%of scheduled flights
An hour or more late10%of flights that operated
When late, on average100 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (San Francisco is 2 h behind Chicago).

Leaves ORD
15:26
Arrives SFO
18:18
Flight time
4h 52m
Days flown, last 8 weeks
56 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 late34%
30+ min late20%
1h+ late10%
2h+ late6%
20%40%60% 015301h1h302h3h

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

Its hour at ORD

All flights leaving Chicago (ORD) at 3–4 pm, wherever they’re going: 71% left within 15 minutes and 3.2% were cancelled (21,577 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.