Sun Country offers multiple ways to check in: mobile check-in through their app, online check-in via their website, or self-service kiosks at the terminal. Checked baggage can be dropped off quickly at designated counters, and because Terminal 2 is less crowded, lines tend to move faster than in larger terminals.

Security at Terminal 2 is handled by TSA and includes a TSA PreCheck line for eligible passengers. The layout of the security area is straightforward, and travelers often report getting through screening in under 15 minutes during non-peak hours.
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