Route guide

Culebra to San Juan (CPX-SJU): Nonstop Upgrade & Award Space

Cape Air flies nonstop between Culebra (CPX) and San Juan (SJU), roughly 28 times a week. With Cape Air operating this route so often, premium seats still turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every CPX to SJU departure, so you know which flights have space before you book.

Data current as of July 22, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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28
Nonstop flights a week
46 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every CPX to SJU departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Culebra to San Juan to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each CPX to SJU departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See CPX to SJU on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Culebra to San Juan nonstop

Carriers operating CPX to SJU nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Cape Air
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Frequently asked questions about CPX to SJU

How far is San Juan from Culebra?
CPX to SJU covers about 46 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from CPX to SJU?
Cape Air is currently the only airline flying CPX to SJU nonstop. 2LNR tracks confirmed upgrade and award space on every Cape Air departure.
How many flights a week are there from CPX to SJU?
About 28 nonstop flights a week run between Culebra and San Juan in the current schedule, operated by Cape Air. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on CPX to SJU?
Open the CPX to SJU calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Culebra to San Juan route, and 2LNR will notify you when space opens. It's free to start.

Never miss CPX to SJU upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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