Johnson County | Buffalo, WY | Updated April 2026
Johnson County (BYG) is a smaller regional airport in Buffalo, WY. TSA security is generally fast — typically under 10 minutes — but staffing can be limited, so a small bump in passenger volume noticeably affects wait times.
Johnson County is served by: General Aviation. Terminal assignments are seasonal at most regional airports — confirm gate and terminal with your airline before heading to security.
| Item | Detail |
|---|---|
| Airport Code | BYG |
| Location | Buffalo, WY |
| Primary Carriers | General Aviation |
| Annual Passengers | ~0.0 million |
BYG has a single TSA checkpoint serving all gates. PreCheck and standard lanes share the same checkpoint area; PreCheck is open during posted commercial flight windows.
As of May 7, 2025, all TSA checkpoints — including BYG — require a Real ID-compliant license, passport, or other accepted federal ID for domestic flights. If you arrive without one, expect additional screening or denied boarding. See our Real ID guide for accepted alternatives.
Q: How early should I arrive at BYG?
A: For domestic flights, arrive 1 hours early. International flights require an additional 30–60 minutes.
Q: Does BYG have TSA PreCheck?
A: PreCheck availability at BYG typically lines up with scheduled commercial flights. Outside of those windows, the standard lane handles all passengers.
Q: What is the average wait time at BYG?
A: Averages run around 5 minutes, with peak periods stretching to 10 minutes.
Q: Can I bring liquids through BYG security?
A: Yes — TSA's 3-1-1 rule applies (3.4 oz containers, one quart-sized bag, one bag per passenger). See our liquid rules guide.
Q: Is CLEAR available at BYG?
A: CLEAR is rolling out across U.S. airports — check the CLEAR website for current BYG availability before flying.