| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 10 | SEA | ORD | 18:05 | 23:12 |
Landed
|
Track > |
| Aug 09 | SEA | ORD | 18:36 | 00:05 |
Delayed
|
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| Aug 08 | SEA | ORD | 17:43 | 22:56 |
Landed
|
Track > |
| Aug 07 | SEA | ORD | 17:34 | 22:50 |
Landed
|
Track > |
| Aug 06 | SEA | ORD | 18:26 | 23:40 |
Landed Late
|
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| Aug 05 | SEA | ORD | 17:26 | 22:50 |
Landed
|
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| Aug 04 | SEA | ORD | 17:34 | 22:52 |
Landed
|
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| Aug 03 | SEA | ORD | 17:38 | 22:48 |
Landed
|
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| Aug 02 | SEA | ORD | 17:28 | 22:37 |
Landed
|
Track > |
| Aug 01 | SEA | ORD | 17:28 | 22:48 |
Landed
|
Track > |
United Airlines Flight UA1503 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 UA1503 flight from Seattle to Chicago?
The average flight time from Seattle to Chicago is 3 hours and 16 minutes. The flight distance is 2762 km / 1716 miles and the average flight speed is 846 km/h / 526 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1503 Seattle to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA1503 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA1503 arriving at?
Flight UA1503 arrives at Chicago O'Hare International Airport (ORD) Terminal 1.
When was the latest UA1503 flight?
The latest flight took off on Tuesday, August 11th, 2026 with the flight status being Landed on 23:12.
How else can the flight UA1503 be referenced as?
This United Airlines flight can also be referenced as UAL1503, UA 1503, UAL 1503.
How often is flight UA1503 delayed?
On average, 20% of all UA1503 flights are delayed. The average delay is 30 minutes.
Can I get compensation for my delayed or cancelled UA1503 flight or baggage issues?
If your UA1503 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 UA1503 Flight Tracker above for more details.
Other flights departing from Seattle SEA: QX2123, UA2164, AS393, 8C6749
Other flights arriving at Chicago ORD: UA212, UA1210, UA2085, UA1738
All flights connecting Seattle SEA to Chicago ORD.