2026 layover guide
San Juan (SJU) connection time
At Luis Muñoz Marín International Airport, plan on at least 50 min for a domestic connection, 1 h 5 min if you change terminals, and 2 h 20 min if you're arriving from abroad. Here's why, step by step.
Verified Oct 17, 2026By Steven MoHow we check Report a correction
Comfortable: 1 h 30 min
By walkways, inside security
Customs, bag recheck and security
Inside security, by walkways
Quick answer
Plan on at least 50 min for a domestic connection at SJU, 1 h 5 min if you change terminals and 2 h 20 min after an international arrival. You stay inside security for domestic connections.
- Domestic, same terminal
- 50 min (comfortable: 1 h 30 min)
- Changing terminals
- 1 h 5 min by walkways
- From abroad
- 2 h 20 min, including customs and bag recheck
- Hub airlines
- JetBlue
How long a layover do I need?
- Get off the plane and walk to your next gate20 min
- Be at the gate before boarding closes15 min
- Buffer for a small delay15 min
Our estimate, rounded up, not the airline's official minimum connection time. If both flights are on one ticket, the airline will rebook you if a delay makes you miss the second one. How we calculate this
Recommended layovers at SJU
Our estimates for common connections, rounded up. Comfortable times leave room for a late arrival.
| Connection | MinimumRecommended minimum |
|---|---|
Domestic to domestic, same terminal Checked bags transfer automatically | 50 min Comfortable: 1 h 30 min |
Domestic to domestic, changing terminals By walkways | 1 h 5 min Comfortable: 1 h 45 min |
International arrival, connecting domestically Customs, bag recheck and TSA | 2 h 20 min Comfortable: 3 h 15 min |
Same, with Global Entry and PreCheck Faster customs and security | 1 h 50 min Comfortable: 2 h 45 min |
Separate tickets with checked bags No protection if you miss it | 1 h 50 min Comfortable: 2 h 45 min |
Airlines' official minimum connection times can be shorter: if you booked both flights on one ticket, the airline has already checked that the connection is legal and will rebook you if a delay makes you miss it.
Getting around SJU
Terminals
Terminals A, B, C and D around a horseshoe.
Changing terminals
The terminals are linked by walkways inside security, so you can walk to any gate without screening again; the far ends are 10–20 minutes apart.
Customs and international arrivals
Arriving from abroad, you clear U.S. Customs and Border Protection (CBP), collect your checked bags, drop them at the recheck belt and go through TSA security again before your connection. Flights from the U.S. mainland arrive as domestic flights, with no customs.
Tips for connecting at SJU
- •Flying to the U.S. mainland, checked bags go through a USDA agriculture inspection before you check in.
- •Puerto Rico is part of the U.S.: U.S. citizens don't need a passport to fly in from the mainland.
Plan your trip through SJU
The airport guide, and the bag rules for the airlines you're likely to connect on here.
SJU connection FAQ
Airlines set their own official minimums at SJU and only sell connections that meet them, so a one-ticket itinerary is always "legal". In practice we recommend at least 50 min for a domestic connection, 1 h 5 min when you change terminals and 2 h 20 min after an international arrival.
Other airports
Sources
Last verified Oct 17, 2026. Terminals and connection rules change, so check your airline's connection instructions before a tight layover.
- Luis Muñoz Marín International Airport official website
- Wikipedia: Luis Muñoz Marín International Airport (airlines, terminals and ground transportation)
Read how we collect and check this data, or tell us if something's out of date.
Cheap flights, any connection
Pick your home airports and we'll email you when fares drop well below normal. You book directly with the airline.
Free plan available · 14-day free Premium+ trial · Cancel anytime