Route guide

Baltimore to South Portland Gardens (BWI-PWM): Nonstop Upgrade & Award Space

Southwest Airlines flies the BWI to PWM nonstop about 6 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 BWI to PWM 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.

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6
Nonstop flights a week
451 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every BWI to PWM 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 Baltimore to South Portland Gardens 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 BWI to PWM 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 BWI to PWM on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Baltimore to South Portland Gardens nonstop

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

  • Southwest Airlines
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Frequently asked questions about BWI to PWM

How far is South Portland Gardens from Baltimore?
BWI to PWM covers about 451 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from BWI to PWM?
Southwest Airlines is currently the only airline flying BWI to PWM nonstop. 2LNR tracks confirmed upgrade and award space on every Southwest Airlines departure.
How many flights a week are there from BWI to PWM?
About 6 nonstop flights a week run between Baltimore and South Portland Gardens in the current schedule, operated by Southwest Airlines. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on BWI to PWM?
Open the BWI to PWM calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Baltimore to South Portland Gardens route, and 2LNR will notify you when space opens. It's free to start.

Never miss BWI to PWM upgrade or award space

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

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