United Airlines
UA542Chicago to San Diego
United Airlines flight UA542 flies from Chicago O'Hare (ORD) to San Diego (SAN), 2,768 km. Over August 2025 to May 2026 it usually arrives about 3 minutes early: 84% of 78 flights arrived within 15 minutes of schedule and 1.3% were cancelled (US Department of Transportation data).
On-time record, last 12 months
84%
on time (within 15 min)
3%
more than 30 min late
1.3%
cancelled
-3 min
average arrival vs schedule
Every operation of UA542, August 2025 to May 2026: 78 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as UA542
- Chicago O'Hare (ORD) to San Diego (SAN)56 flights
- Detroit (DTW) to Denver (DEN)21 flights
- Portland (PWM) to Newark Liberty (EWR)1 flights
Other flights from Chicago to San Diego
More about Chicago O'Hare (ORD) and San Diego (SAN).
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