UA 3664 Ottawa to Washington Flight Status

United Airlines Flight UA3664 from Ottawa Macdonald-Cartier International Airport YOW to Washington Dulles International Airport IAD is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on December 17th, 2025.
Check the table below for UA3664's most recent flight history:

UA 3664 Flight Status & Schedule

Date Departure Arrival Status
Dec 17 09:56 11:12
Landed
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Dec 16 09:56 11:03
Landed
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Dec 15 15:20 11:39
Unknown
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Dec 14 10:19 11:38
Diverted
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Dec 13 10:45 12:08
Landed Late
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United Airlines UA 3664 Ottawa to Washington Flight Information

United Airlines Flight UA3664 connects Ottawa, Canada to Washington, United States, taking off from Ottawa Macdonald-Cartier International Airport YOW and landing at Washington Dulles International Airport IAD.

How long is the UA3664 flight from Ottawa to Washington?

The average flight time from Ottawa to Washington is 1 hour and 18 minutes. The flight distance is 724 km / 450 miles and the average flight speed is 522 km/h / 324 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA3664 Ottawa to Washington?

The Airportia On-Time Performance Rating for United Airlines Flight UA3664 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA3664 flight?

The latest flight took off on Wednesday, December 17th, 2025 with the flight status being Landed on 11:12.

How else can the flight UA3664 be referenced as?

This United Airlines flight can also be referenced as UAL3664, UA 3664, UAL 3664.

How often is flight UA3664 delayed?

On average, 30% of all UA3664 flights are delayed. The average delay is 21 minutes.

Can I get compensation for my delayed or cancelled UA3664 flight or baggage issues?

If your UA3664 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 UA3664 Flight Tracker above for more details.

UA3664 and Ottawa YOW to Washington IAD Flights

Flight UA3664 is code-shared by 2 airlines using the flight numbers AC4696, AV2161

Other flights departing from Ottawa YOW: AC2576, UA3655, UA4481, PD1299

Other flights arriving at Washington IAD: DL4990, UA4045, UA3494, UA3675

All flights connecting Ottawa YOW to Washington IAD.

UA3664 United Airlines Flight: Ottawa to Washington Route Map

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