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Route guide

San Francisco Hong Kong

San Francisco International (SFO) — Hong Kong International (HKG)

Westbound 15h shift Best side: right
Distance
11,140 km
Duration
14h
Time-zone shift
15h west
Best window side
right

Overview

San Francisco to Hong Kong — one of the main US-Asia corridors, usually flown by composite aircraft. Westbound dateline crossing makes the jet-lag math friendlier than the raw TZ math.

Jet lag

Crosses the dateline — calendar shifts a day forward, but the body experiences this as roughly a 9-hour westward delay. Stay up into the local evening on arrival, get afternoon light, and the body catches up faster than the clock suggests.

Build a SFO→HKG adaptation schedule

Best window side

Westbound across the Pacific — the right (north) side is the shadier choice through the long daylit cruise.

Cabin humidity

Cathay's A350-1000 is the comfort pick on this sector. United's 787-9 is the next-best. A 777-300ER is workable but drier for 14 hours.

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