United Airlines
UA638San Francisco to Honolulu
United Airlines flight UA638 flies from San Francisco (SFO) to Honolulu (HNL), 3,857 km. Over August 2025 to July 2026 it usually arrives right on schedule: 84% of 405 flights arrived within 15 minutes of schedule and 0.2% were cancelled (US Department of Transportation data).
On-time record, last 12 months
84%
on time (within 15 min)
11%
more than 30 min late
0.2%
cancelled
0 min
average arrival vs schedule
Every operation of UA638, August 2025 to July 2026: 405 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as UA638
- San Francisco (SFO) to Honolulu (HNL)270 flights
- Philadelphia (PHL) to Denver (DEN)37 flights
- Albuquerque (ABQ) to San Francisco (SFO)30 flights
- Denver (DEN) to Los Angeles (LAX)21 flights
- Denver (DEN) to Fairbanks (FAI)18 flights
- New Orleans (MSY) to San Francisco (SFO)15 flights
- Denver (DEN) to Boise (BOI)14 flights
Other flights from San Francisco to Honolulu
More about San Francisco (SFO) and Honolulu (HNL).
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