| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 01 | ORD | SEA | 17:14 | 19:18 |
Landed Late
|
Track > |
| Nov 29 | ORD | SEA | 21:41 | 18:34 |
Unknown
|
Track > |
| Nov 28 | ORD | SEA | 19:14 | 21:17 |
Delayed
|
Track > |
| Nov 26 | ORD | SEA | 17:51 | 20:07 |
Delayed
|
Track > |
| Nov 25 | ORD | SEA | 16:49 | 18:58 |
Landed
|
Track > |
| Nov 24 | ORD | SEA | 16:55 | 18:55 |
Landed
|
Track > |
| Nov 22 | ORD | SEA | 16:06 | 18:10 |
Landed
|
Track > |
| Nov 21 | ORD | SEA | 16:41 | 18:33 |
Landed
|
Track > |
| Nov 20 | ORD | SEA | 17:06 | 19:07 |
Landed Late
|
Track > |
| Nov 19 | ORD | SEA | 16:24 | 18:15 |
Landed
|
Track > |
United Airlines Flight UA2278 connects Chicago, United States to Seattle, United States, taking off from Chicago O'Hare International Airport ORD and landing at Seattle Tacoma International Airport SEA.
How long is the UA2278 flight from Chicago to Seattle?
The average flight time from Chicago to Seattle is 4 hours and 2 minutes. The flight distance is 2762 km / 1716 miles and the average flight speed is 675 km/h / 419 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA2278 Chicago to Seattle?
The Airportia On-Time Performance Rating for United Airlines Flight UA2278 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA2278 arriving at?
Flight UA2278 arrives at Seattle Tacoma International Airport (SEA) Terminal 6.
When was the latest UA2278 flight?
The latest flight took off on Tuesday, December 2nd, 2025 with the flight status being Landed on 19:18.
How else can the flight UA2278 be referenced as?
This United Airlines flight can also be referenced as UAL2278, UA 2278, UAL 2278.
How often is flight UA2278 delayed?
On average, 60% of all UA2278 flights are delayed. The average delay is 45 minutes.
Can I get compensation for my delayed or cancelled UA2278 flight or baggage issues?
If your UA2278 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 UA2278 Flight Tracker above for more details.
Flight UA2278 is code-shared by 4 airlines using the flight numbers LH7504, OS7703, SN8875, TK8609
Other flights departing from Chicago ORD: UA592, UA5740, AA4774, OO5740
Other flights arriving at Seattle SEA: AS9577, AS2148, AS269, AS3016
All flights connecting Chicago ORD to Seattle SEA.
