Flights Hong Kong → San Francisco
HKG → SFO
Route overview
The flight route from Hong Kong to San Francisco is operated using a mix of Boeing aircraft, including the 777-300, 747-400, and 777-300ER. San Francisco International Airport, the destination, serves over 50 million passengers annually, making it one of the busiest airports in North America.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Hong Kong (HKG) → San Francisco (SFO) route is operated by American Airlines, Cathay Pacific, Singapore Airlines Cargo, United Airlines. FlightGuard's average computed risk is 11.4/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At San Francisco the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Hong Kong the average ATFM delay is 2.0 minutes.
Heading to San Francisco: what to expect in this direction
Flying from Hong Kong (HKG) to San Francisco (SFO) heads north-east for about 11,128 km, a flight time of roughly 14h 20m.
Air-traffic congestion: departing Hong Kong the average ATFM delay is 2.0 min (atfm); arriving into San Francisco it is 2.0 min (atfm).
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 74% | 10 min | 6.9% |
| American Airlines (AA) | 74% | 16 min | 3.0% |
Airlines operating HKG-SFO
Airports
Frequently asked questions about HKG-SFO
Route-specific punctuality data isn't available yet. Check your flight on FlightGuard for a real-time analysis.
The cancellation rate varies by airline and season. Check your flight risk for an up-to-date estimate.
The route is operated by 4 airlines: American Airlines, Cathay Pacific, Singapore Airlines Cargo, United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at San Francisco, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
