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UA 3520 Portland to Chicago Flight Status

United Airlines Flight UA3520 from Portland International Jetport PWM to Chicago O'Hare International Airport ORD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on August 18th, 2025.
Check the table below for UA3520's most recent flight history:

UA 3520 Flight Status & Schedule

Date Departure Arrival Status
Aug 18 07:18 20:25
Unknown
Track >
Aug 17 19:20 20:27
Landed
Track >
Aug 15 18:37 19:42
Landed
Track >
Aug 14 18:28 19:41
Landed
Track >
Aug 11 18:40 19:40
Landed
Track >

United Airlines UA 3520 Portland to Chicago Flight Information

United Airlines Flight UA3520 connects Portland, United States to Chicago, United States, taking off from Portland International Jetport PWM and landing at Chicago O'Hare International Airport ORD.

How long is the UA3520 flight from Portland to Chicago?

The average flight time from Portland to Chicago is 2 hours and 9 minutes. The flight distance is 1444 km / 898 miles and the average flight speed is 649 km/h / 403 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA3520 Portland to Chicago?

The Airportia On-Time Performance Rating for United Airlines Flight UA3520 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA3520 arriving at?

Flight UA3520 arrives at Chicago O'Hare International Airport (ORD) Terminal 1.

When was the latest UA3520 flight?

The latest flight took off on Tuesday, August 19th, 2025 with the flight status being Unknown on 20:25.

How else can the flight UA3520 be referenced as?

This United Airlines flight can also be referenced as UAL3520, UA 3520, UAL 3520.

How often is flight UA3520 delayed?

On average, 10% of all UA3520 flights are delayed. The average delay is 2 minutes.

Can I get compensation for my delayed or cancelled UA3520 flight or baggage issues?

If your UA3520 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our UA3520 Flight Tracker above for more details.

UA3520 and Portland PWM to Chicago ORD Flights

Flight UA3520 is code-shared by 1 airline using the flight number NZ2780

Other flights departing from Portland PWM: UA3521, UA1593, AA5528, MX741

Other flights arriving at Chicago ORD: UA1779, UA1492, OO5524, UA5363

All flights connecting Portland PWM to Chicago ORD.

UA3520 United Airlines Flight: Portland to Chicago Route Map

UA3520 United Airlines Flight Map: Portland to Chicago
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.