| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 04 | SEA | DEN | 19:54 | 23:38 |
Scheduled
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Track > |
| Jun 03 | SEA | DEN | 20:19 | 23:20 |
Landed
|
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| Jun 01 | SEA | DEN | 21:06 | 00:16 |
Landed Late
|
Track > |
| May 31 | SEA | DEN | 19:55 | 23:11 |
Landed
|
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| May 29 | SEA | DEN | 21:56 | 01:17 |
Delayed
|
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| May 28 | SEA | DEN | 23:06 | 02:19 |
Delayed
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| May 27 | SEA | DEN | 20:02 | 23:24 |
Landed
|
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| May 25 | SEA | DEN | 20:47 | 00:05 |
Landed Late
|
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| May 22 | SEA | DEN | 20:46 | 23:47 |
Landed
|
Track > |
| May 21 | SEA | DEN | 20:13 | 23:28 |
Landed
|
Track > |
United Airlines Flight UA1218 connects Seattle, United States to Denver, United States, taking off from Seattle Tacoma International Airport SEA and landing at Denver International Airport DEN.
How long is the UA1218 flight from Seattle to Denver?
The average flight time from Seattle to Denver is 2 hours and 13 minutes. The flight distance is 1645 km / 1022 miles and the average flight speed is 730 km/h / 454 mph.
How many UA1218 flights are operated per week?
5 flights per week. The flight UA1218 is operated on Monday, Tuesday, Thursday, Friday and Saturday.
What is the On-Time Performance (OTP) of United Airlines Flight UA1218 Seattle to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA1218 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA1218 flight?
The latest flight took off on Friday, June 5th, 2026 with the flight status being Scheduled on 23:38.
How else can the flight UA1218 be referenced as?
This United Airlines flight can also be referenced as UAL1218, UA 1218, UAL 1218.
How often is flight UA1218 delayed?
On average, 40% of all UA1218 flights are delayed. The average delay is 78 minutes.
Can I get compensation for my delayed or cancelled UA1218 flight or baggage issues?
If your UA1218 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 UA1218 Flight Tracker above for more details.
Other flights departing from Seattle SEA: AS542, AS736, AS2009, AS3028
Other flights arriving at Denver DEN: UA1792, UA2433, WN506, DL643
All flights connecting Seattle SEA to Denver DEN.
