UA1503 is operated by United Airlines from Seattle–Tacoma International Airport (SEA) in Seattle, United States to Chicago O'Hare International Airport (ORD) in Chicago, United States, a great-circle distance of about 2,761 km. Live status, scheduled and actual times, gate and terminal for UA1503 are available via the API.
Live and scheduled times for UA1503 are available through the FlightNerve API.
| Field | SEA departure | ORD arrival |
|---|---|---|
| Scheduled | ••:••, Mon DD | ••:••, Mon DD |
| Estimated / actual | ••:•• | ••:•• |
| Terminal · gate | T• · •• | T• · •• |
| Status | Scheduled / En route / Landed | |
Live status, position, schedule and aircraft for UA1503, one API call.
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