Route guide

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

Cape Air flies nonstop between San Juan (SJU) and Culebra (CPX), roughly 27 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 SJU to CPX departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

See SJU to CPX on the interactive map Get started free
27
Nonstop flights a week
46 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every SJU to CPX 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 San Juan to Culebra 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 SJU to CPX 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 SJU to CPX on the interactive route map, with schedules, connections, and route statistics.

Airlines flying San Juan to Culebra nonstop

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

  • Cape Air
See SJU to CPX on the interactive map →

Frequently asked questions about SJU to CPX

How far is Culebra from San Juan?
SJU to CPX 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 SJU to CPX?
Cape Air is currently the only airline flying SJU to CPX nonstop. 2LNR tracks confirmed upgrade and award space on every Cape Air departure.
How many flights a week are there from SJU to CPX?
About 27 nonstop flights a week run between San Juan and Culebra 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 SJU to CPX?
Open the SJU to CPX calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the San Juan to Culebra route, and 2LNR will notify you when space opens. It's free to start.

Never miss SJU to CPX upgrade or award space

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

Get started free