| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 25 | SEA | ORD | 11:17 | 16:52 |
Landed
|
Track > |
| Jun 24 | SEA | ORD | 11:22 | 16:43 |
Landed
|
Track > |
| Jun 23 | SEA | ORD | 11:17 | 16:58 |
Landed
|
Track > |
| Jun 22 | SEA | ORD | 11:09 | 16:39 |
Landed
|
Track > |
| Jun 21 | SEA | ORD | 11:17 | 16:46 |
Landed
|
Track > |
| Jun 20 | SEA | ORD | 12:07 | 17:28 |
Landed Late
|
Track > |
| Jun 19 | SEA | ORD | 11:30 | 16:52 |
Landed
|
Track > |
| Jun 18 | SEA | ORD | 11:30 | 17:02 |
Landed
|
Track > |
| Jun 17 | SEA | ORD | 11:20 | 16:43 |
Landed
|
Track > |
| Jun 16 | SEA | ORD | 11:07 | 16:42 |
Landed
|
Track > |
United Airlines Flight UA312 connects Seattle, United States to Chicago, United States, taking off from Seattle Tacoma International Airport SEA and landing at Chicago O'Hare International Airport ORD.
How long is the UA312 flight from Seattle to Chicago?
The average flight time from Seattle to Chicago is 3 hours and 28 minutes. The flight distance is 2762 km / 1716 miles and the average flight speed is 794 km/h / 493 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA312 Seattle to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA312 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA312 arriving at?
Flight UA312 arrives at Chicago O'Hare International Airport (ORD) Terminal 1.
When was the latest UA312 flight?
The latest flight took off on Wednesday, June 25th, 2025 with the flight status being Landed on 16:52.
How else can the flight UA312 be referenced as?
This United Airlines flight can also be referenced as UAL312, UA0312, UA 312, UAL 312.
How often is flight UA312 delayed?
On average, 10% of all UA312 flights are delayed. The average delay is 24 minutes.
Can I get compensation for my delayed or cancelled UA312 flight or baggage issues?
If your UA312 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 UA312 Flight Tracker above for more details.
This is a multi leg flight of United Airlines UA312. Next leg is Chicago to Charleston
Flight UA312 is code-shared by 4 airlines using the flight numbers EK6356, LX3255, SN8876, TK8610
Other flights departing from Seattle SEA: UA617, UA1061, UA1114, UA1733
Other flights arriving at Chicago ORD: UA5914, UA4431, AA6527, AA4405
All flights connecting Seattle SEA to Chicago ORD.
