Pro Travel Tips for Sun Country Flyers To make the most of your time at the Sun Country Terminal MSP, keep these tips in mind: Check in online ahead of time to skip the lines. Download the Sun Country app for digital boarding passes and real-time updates. Pack light if possible — overhead space can fill quickly on full flights. Bring your own entertainment — although Wi-F... https://terminalfinds.com/frontier-airlines-sfo-terminal/