| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | ORD | PDX | 21:40 | 23:31 |
Landed
|
Track > |
| May 18 | ORD | PDX | 22:19 | 23:55 |
Unknown
|
Track > |
| May 17 | ORD | PDX | 21:48 | 00:01 |
Landed
|
Track > |
| May 15 | ORD | PDX | 22:01 | 00:16 |
Landed Late
|
Track > |
| May 14 | ORD | PDX | 21:40 | 23:48 |
Landed
|
Track > |
| May 13 | ORD | PDX | 21:43 | 23:40 |
Landed
|
Track > |
| May 11 | ORD | PDX | 21:48 | 23:46 |
Landed
|
Track > |
| May 10 | ORD | PDX | 22:18 | 00:12 |
Landed Late
|
Track > |
| May 08 | ORD | PDX | 22:28 | 00:27 |
Landed Late
|
Track > |
| May 06 | ORD | PDX | 21:25 | 00:07 |
Unknown
|
Track > |
United Airlines Flight UA403 connects Chicago, United States to Portland, United States, taking off from Chicago O'Hare International Airport ORD and landing at Portland International Airport PDX.
How long is the UA403 flight from Chicago to Portland?
The average flight time from Chicago to Portland is 4 hours and 6 minutes. The flight distance is 2791 km / 1734 miles and the average flight speed is 675 km/h / 419 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA403 Chicago to Portland?
The Airportia On-Time Performance Rating for United Airlines Flight UA403 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA403 flight?
The latest flight took off on Thursday, May 21st, 2026 with the flight status being Landed on 23:31.
How else can the flight UA403 be referenced as?
This United Airlines flight can also be referenced as UAL403, UA0403, UA 403, UAL 403.
How often is flight UA403 delayed?
On average, 50% of all UA403 flights are delayed. The average delay is 16 minutes.
Can I get compensation for my delayed or cancelled UA403 flight or baggage issues?
If your UA403 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 UA403 Flight Tracker above for more details.
Flight UA403 is code-shared by 1 airline using the flight number LH9278
Other flights departing from Chicago ORD: UA661, UA1400, UA4544, UA5274
Other flights arriving at Portland PDX: AA2888, DL4083, AS2602, SY3054
All flights connecting Chicago ORD to Portland PDX.