San Juan to Baltimore (SJU-BWI): Nonstop Upgrade & Award Space
JetBlue Airways, Frontier Airlines, and Southwest Airlines fly the SJU to BWI nonstop about 9 times a week. That's enough service to give you a real choice of departures, though premium seats don't sit unclaimed for long. 2LNR watches every SJU to BWI departure for confirmed upgrade and award space and can alert you when a date you're tracking opens up.
Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.
Confirmed upgrade & award space on every SJU to BWI 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 Baltimore 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 BWI 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 BWI on the interactive route map, with schedules, connections, and route statistics.
Airlines flying San Juan to Baltimore nonstop
Carriers operating SJU to BWI nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.
- JetBlue Airways
- Frontier Airlines
- Southwest Airlines
Frequently asked questions about SJU to BWI
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