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

UA 329 · Chicago (ORD) → Denver (DEN)

Sold by United. Still flying: 25 of the last 56 days (Mon, Tue, Sat, Sun).

Arrives on time75%within 15 minutes, of 80 flights
Cancelled0.0%of scheduled flights
An hour or more late9%of flights that operated
When late, on average85 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 behind Chicago).

Leaves ORD
20:03
Arrives DEN
22:04
Flight time
3h 01m
Days flown, last 8 weeks
25 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 late25%
30+ min late15%
1h+ late9%
2h+ late8%
10%20%30%40% 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 8–9 pm, wherever they’re going: 63% left within 15 minutes and 4.5% were cancelled (22,199 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.