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UA 618 Denver to Seattle Flight Status

United Airlines Flight UA618 from Denver International Airport DEN to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on December 16th, 2025.
Check the table below for UA618's most recent flight history:

UA 618 Flight Status & Schedule

Date Departure Arrival Status
Dec 16 16:32 18:25
Landed
Track >
Dec 15 16:56 18:25
Landed
Track >
Dec 14 16:44 18:11
Landed
Track >
Dec 13 16:28 17:52
Landed
Track >
Dec 12 16:52 18:27
Landed
Track >

United Airlines UA 618 Denver to Seattle Flight Information

United Airlines Flight UA618 connects Denver, United States to Seattle, United States, taking off from Denver International Airport DEN and landing at Seattle Tacoma International Airport SEA.

How long is the UA618 flight from Denver to Seattle?

The average flight time from Denver to Seattle is 2 hours and 39 minutes. The flight distance is 1645 km / 1022 miles and the average flight speed is 623 km/h / 387 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA618 Denver to Seattle?

The Airportia On-Time Performance Rating for United Airlines Flight UA618 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA618 arriving at?

Flight UA618 arrives at Seattle Tacoma International Airport (SEA) Terminal 6.

When was the latest UA618 flight?

The latest flight took off on Wednesday, December 17th, 2025 with the flight status being Landed on 18:25.

How else can the flight UA618 be referenced as?

This United Airlines flight can also be referenced as UAL618, UA0618, UA 618, UAL 618.

How often is flight UA618 delayed?

On average, 40% of all UA618 flights are delayed. The average delay is 27 minutes.

Can I get compensation for my delayed or cancelled UA618 flight or baggage issues?

If your UA618 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 UA618 Flight Tracker above for more details.

UA618 and Denver DEN to Seattle SEA Flights

Other flights departing from Denver DEN: UA5061, WN2635, WN319, WN3308

Other flights arriving at Seattle SEA: AS366, WN3308, DL1596, AS2248

All flights connecting Denver DEN to Seattle SEA.

UA618 United Airlines Flight: Denver to Seattle Route Map

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.