UA1503Seattle to Chicago
United Airlines flight UA1503 flies from Seattle Tacoma (SEA) to Chicago O'Hare (ORD), 2,762 km. Over September 2025 to July 2026 it usually arrives about 6 minutes late: 82% of 148 flights arrived within 15 minutes of schedule and 0.7% were cancelled (US Department of Transportation data).
On-time record, last 12 months
Every operation of UA1503, September 2025 to July 2026: 148 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as UA1503
Other flights from Seattle to Chicago
More about Seattle Tacoma (SEA) and Chicago O'Hare (ORD).
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