There are several airlines that operate frequent flights from Calgary (YYC) to San Francisco (SFO) including

• Air Canada with 110 flights a week
• United Airlines with 56 flights a week
• WestJet with 56 flights a week
• Air New Zealand with 30 flights a week
• Alaska Airlines with 26 flights a week

The earliest flight leaves Calgary Intl. Airport at 08:00 and arrives at San Francisco Intl. Airport at 09:55. The last flight of the day departs Calgary at 19:20 and arrives at San Francisco at 21:25.

The flight distance from Calgary to San Francisco is about 1646 km, the shortest flight is 02 hours 52 minutes with WestJet.

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