United Airlines
UA552San Francisco to Ontario
United Airlines flight UA552 flies from San Francisco (SFO) to Ontario (ONT), 585 km. Over August 2025 to July 2026 it usually arrives about 5 minutes late: 79% of 492 flights arrived within 15 minutes of schedule and 0.6% were cancelled (US Department of Transportation data).
On-time record, last 12 months
79%
on time (within 15 min)
14%
more than 30 min late
0.6%
cancelled
+5 min
average arrival vs schedule
Every operation of UA552, August 2025 to July 2026: 492 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as UA552
- San Francisco (SFO) to Ontario (ONT)194 flights
- Pittsburgh (PIT) to San Francisco (SFO)100 flights
- Minneapolis (MSP) to San Francisco (SFO)98 flights
- San Francisco (SFO) to Philadelphia (PHL)43 flights
- Ontario (ONT) to Chicago O'Hare (ORD)24 flights
- San Francisco (SFO) to Pittsburgh (PIT)16 flights
- Chicago O'Hare (ORD) to San Jose (SJC)13 flights
- Newark Liberty (EWR) to Portland (PWM)1 flights
- Houston (IAH) to San Francisco (SFO)1 flights
- Monterey Peninsula (MRY) to Los Angeles (LAX)1 flights
Other flights from San Francisco to Ontario
More about San Francisco (SFO) and Ontario (ONT).
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