UA 1366 Washington to Seattle Flight Status

United Airlines Flight UA1366 from Washington Dulles International Airport IAD to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on January 5th, 2026.
Check the table below for UA1366's most recent flight history:

UA 1366 Flight Status & Schedule

Date Departure Arrival Status
Jan 05 08:51 11:15
Landed
Track >
Jan 04 08:38 11:07
Landed
Track >
Jan 03 08:42 11:08
Landed
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Jan 02 08:47 11:24
Landed
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Jan 01 09:25 12:08
Landed Late
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United Airlines UA 1366 Washington to Seattle Flight Information

United Airlines Flight UA1366 connects Washington, United States to Seattle, United States, taking off from Washington Dulles International Airport IAD and landing at Seattle Tacoma International Airport SEA.

How long is the UA1366 flight from Washington to Seattle?

The average flight time from Washington to Seattle is 5 hours and 22 minutes. The flight distance is 3701 km / 2300 miles and the average flight speed is 690 km/h / 429 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA1366 Washington to Seattle?

The Airportia On-Time Performance Rating for United Airlines Flight UA1366 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA1366 arriving at?

Flight UA1366 arrives at Seattle Tacoma International Airport (SEA) Terminal E.

When was the latest UA1366 flight?

The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 11:15.

How else can the flight UA1366 be referenced as?

This United Airlines flight can also be referenced as UAL1366, UA 1366, UAL 1366.

How often is flight UA1366 delayed?

On average, 10% of all UA1366 flights are delayed. The average delay is 41 minutes.

Can I get compensation for my delayed or cancelled UA1366 flight or baggage issues?

If your UA1366 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 UA1366 Flight Tracker above for more details.

UA1366 and Washington IAD to Seattle SEA Flights

Other flights departing from Washington IAD: UA1348, UA4063, UA4537, UA4520

Other flights arriving at Seattle SEA: AS793, AA3306, OO286, AS119

All flights connecting Washington IAD to Seattle SEA.

UA1366 United Airlines Flight: Washington to Seattle Route Map

UA1366 United Airlines Flight Map: Washington to Seattle
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.