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UA 3521 Chicago to Windsor Locks Flight Status

United Airlines Flight UA3521 from Chicago O'Hare International Airport ORD to Windsor Locks Bradley International Airport BDL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on March 2nd, 2026.
Check the table below for UA3521's most recent flight history:

UA 3521 Flight Status & Schedule

Date Departure Arrival Status
Mar 02 07:46 10:23
Landed
Track >
Feb 27 09:59 12:40
Delayed
Track >
Feb 26 07:49 10:28
Landed
Track >
Feb 23 07:15 10:33
Cancelled
Track >
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Feb 20 08:13 10:54
Landed Late
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United Airlines UA 3521 Chicago to Windsor Locks Flight Information

United Airlines Flight UA3521 connects Chicago, United States to Windsor Locks, United States, taking off from Chicago O'Hare International Airport ORD and landing at Windsor Locks Bradley International Airport BDL.

How long is the UA3521 flight from Chicago to Windsor Locks?

The average flight time from Chicago to Windsor Locks is 1 hour and 41 minutes. The flight distance is 1257 km / 781 miles and the average flight speed is 725 km/h / 450 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA3521 Chicago to Windsor Locks?

The Airportia On-Time Performance Rating for United Airlines Flight UA3521 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA3521 flight?

The latest flight took off on Monday, March 2nd, 2026 with the flight status being Landed on 10:23.

How else can the flight UA3521 be referenced as?

This United Airlines flight can also be referenced as UAL3521, UA 3521, UAL 3521.

How often is flight UA3521 delayed?

On average, 33% of all UA3521 flights are delayed. The average delay is 51 minutes.

Can I get compensation for my delayed or cancelled UA3521 flight or baggage issues?

If your UA3521 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 UA3521 Flight Tracker above for more details.

UA3521 and Chicago ORD to Windsor Locks BDL Flights

Flight UA3521 is code-shared by 1 airline using the flight number NZ2051

Other flights departing from Chicago ORD: UA378, WN1573, AA3897, AA1726

Other flights arriving at Windsor Locks BDL: AA2926, WN771, UA1257, WN833

All flights connecting Chicago ORD to Windsor Locks BDL.

UA3521 United Airlines Flight: Chicago to Windsor Locks Route Map

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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.