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Is a 55 min layover in San Antonio long enough?

SAT · San Antonio International · San Antonio, United States
Probably Enough

Yes, 55 minutes is probably enough for a layover at SAT (San Antonio).

Plenty of time to walk the connector and handle minor gate changes.
Quick Stats
Concourses
2
Max Transit
12m
Avg. Security
12m
Primary Hub
—
Minimum Connection Times
Domestic → Domestic
40min
✓
Domestic → International
60min
✗
International → Domestic
65min
✗
International → International
75min
✗
AD PLACEMENT — CONTEXTUAL
Tips for 55 min Connections
Check your boarding pass for terminal assignment, since American and United typically use Terminal A while Southwest and most others use Terminal B.
The airside connector between terminals is a straightforward walk with minimal foot traffic congestion, so transfers rarely take more than 10-15 minutes.
If arriving from Mexico, budget extra time for Federal Inspection Services before you can proceed to your connecting gate.
SAT's small size means gate-to-gate distances are short, but confirm gate numbers on arrival screens since the airport doesn't have many connecting-passenger information desks.
Because SAT is primarily an origin-destination airport, connections are less common and staff may be less experienced handling tight transfers, so ask a gate agent directly if you're worried about time.
Busyness — Connection Risk
12a6a12p6p12a
Low risk
Moderate
High risk
Tight connections are safer outside peak hours. Morning rush (6–9a), midday (11a–2p), and evening (4–8p) are highest risk.
Getting Between Concourses
Terminals A and B are joined by a post-security airside walkway, so most passengers can move between concourses without leaving the secure area or re-clearing screening. International arrivals from a handful of Mexico flights go through Federal Inspection and re-enter the secure zone, which adds time compared to a domestic-to-domestic connection.
Frequently Asked Questions
Is 55 minutes enough for a layover at San Antonio International (SAT)?

Plenty of time to walk the connector and handle minor gate changes.

What is the minimum connection time at SAT?

Minimum connection times at San Antonio International: Domestic-to-Domestic is 40 minutes, International-to-International is 75 minutes. These are the shortest layovers airlines will sell.

Can I make a 55 minutes connection at SAT on an international flight?

55 minutes is below the 75-minute international MCT at San Antonio International. You may need to rush and could miss your connection. Terminals A and B are joined by a post-security airside walkway, so most passengers can move between concourses without leaving the secure area or re-clearing screening. International arrivals from a handful of Mexico flights go through Federal Inspection and re-enter the secure zone, which adds time compared to a domestic-to-domestic connection.

How much time do I need for a layover at SAT?

We recommend at least 45 minutes for a comfortable connection at San Antonio International. This gives you enough buffer for security (typically 12 minutes) and transit between terminals (up to 12 minutes).

What happens if I miss my connection at SAT?

If you misconnect, head to your airline's service desk in the arrival terminal (A or B) — American, United, and Southwest all maintain rebooking counters, and given SAT's relatively low traffic volumes, rebooking onto a later flight is usually quick.

Other Layover Durations at SAT
25 min30 min35 min40 min45 min50 min1 hr1¼ hr1½ hr1¾ hr2 hr2½ hr3 hr4 hr
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AD PLACEMENT — BEFORE FOOTER