UA343Chicago to San Francisco
United Airlines flight UA343 flies from Chicago O'Hare (ORD) to San Francisco (SFO), 2,964 km. Over August 2025 to July 2026 it usually arrives about 8 minutes late: 78% of 502 flights arrived within 15 minutes of schedule and 1.4% were cancelled (US Department of Transportation data).
On-time record, last 12 months
Every operation of UA343, August 2025 to July 2026: 502 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as UA343
- Chicago O'Hare (ORD) to San Francisco (SFO)228 flights
- Houston (IAH) to Chicago O'Hare (ORD)92 flights
- Nashville (BNA) to Chicago O'Hare (ORD)72 flights
- Charlotte Douglas (CLT) to Chicago O'Hare (ORD)53 flights
- San Francisco (SFO) to Seattle Tacoma (SEA)31 flights
- Tampa (TPA) to Chicago O'Hare (ORD)26 flights
Other flights from Chicago to San Francisco
More about Chicago O'Hare (ORD) and San Francisco (SFO).
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