| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 17 | MDW | BFI | 18:43 | 20:38 |
Delayed
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United Airlines Flight UA3777 connects Chicago, United States to Seattle, United States, taking off from Chicago Midway International Airport MDW and landing at Seattle Boeing Field BFI.
How long is the UA3777 flight from Chicago to Seattle?
The average flight time from Chicago to Seattle is 3 hours and 55 minutes. The flight distance is 2782 km / 1729 miles and the average flight speed is 710 km/h / 441 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3777 Chicago to Seattle?
The Airportia On-Time Performance Rating for United Airlines Flight UA3777 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3777 flight?
The latest flight took off on Monday, May 18th, 2026 with the flight status being En-Route on 20:38.
How else can the flight UA3777 be referenced as?
This United Airlines flight can also be referenced as UAL3777, UA 3777, UAL 3777.
How often is flight UA3777 delayed?
On average, 100% of all UA3777 flights are delayed. The average delay is 28 minutes.
Can I get compensation for my delayed or cancelled UA3777 flight or baggage issues?
If your UA3777 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 UA3777 Flight Tracker above for more details.
Other flights departing from Chicago MDW: WN675, WN2771, G41446, MB10
Other flights arriving at Seattle BFI: M55151, M55151, M56565, M52020
All flights connecting Chicago MDW to Seattle BFI.
