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

UA 1677 · Chicago (ORD) → Portland (PDX)

Sold by United. Still flying: 37 of the last 56 days (Daily).

Arrives on time57%within 15 minutes, of 51 flights
Cancelled2.0%of scheduled flights
An hour or more late20%of flights that operated
When late, on average99 minlate, among flights 15+ min late

Schedule

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

Leaves ORD
16:15
Arrives PDX
18:47
Flight time
4h 32m
Days flown, last 8 weeks
37 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 late43%
30+ min late33%
1h+ late20%
2h+ late16%
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 4–5 pm, wherever they’re going: 70% left within 15 minutes and 3.6% were cancelled (23,683 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.