The transpacific crossing between San Francisco and Taipei is one of those routes where the airline you choose matters enormously — not just for comfort, but for how you arrive. EVA Air's Royal Laurel Class remains a benchmark product on this corridor, with its herringbone-configured fully flat seats offering direct aisle access for every passenger, a detail that becomes deeply meaningful somewhere over the North Pacific at 3 a.m. China Airlines has quietly improved its business cabin in recent years, and its A350 service out of SFO delivers a noticeably quieter, more refined experience than its older widebody fleet. United's Polaris product connects here too, useful if you're leveraging MileagePlus status, though seasoned travelers on this specific pairing tend to gravitate toward the Taiwanese carriers for the superior meal service and attentive cabin culture that's genuinely difficult to replicate.
SFO's international terminal is worth arriving early for — the pre-security congestion can be deceptive, particularly during peak summer travel and the Lunar New Year window, which drives both demand and premium cabin load factors sharply upward. Taiwan Taoyuan International, by contrast, runs with impressive efficiency, and transit through Terminal 2 is genuinely pleasant if you're connecting onward to Southeast Asia. The sweet spot for value and availability falls in the shoulder months — January through March after the Lunar New Year rush subsides, and again in October and November before the holiday surge — when premium inventory opens up and the cabin tends to be noticeably less crowded.
One thing this route rewards is patience with your departure timing. The late-evening SFO departures align beautifully with Taipei morning arrivals, giving you a full business day upon landing rather than a wasted afternoon recovering in your hotel.