Chicago to South Portland Gardens (ORD-PWM): nonstop upgrade & award space

United Airlines and American Airlines fly nonstop between Chicago (ORD) and South Portland Gardens (PWM), roughly 57 times a week. With United Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on American Airlines, on every ORD to PWM departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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57
Nonstop flights a week
898 mi
Nonstop distance
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Chicago to South Portland Gardens flight schedule

Scheduled nonstop departures for ORD to PWM, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Chicago (ORD) to South Portland Gardens (PWM)
Date Flight Airline Departs ORD Arrives PWM Duration Aircraft
AA 2717American Airlines09:2913:052h 36m319
UA 2804United Airlines10:5714:312h 34m7M9
AA 4741American Airlines13:1016:542h 44mE75
UA 3516United Airlines14:0017:422h 42mE7W
UA 3518United Airlines14:1017:542h 44mE7W
UA 1401United Airlines17:5021:232h 33m7M8
AA 4504American Airlines19:5923:472h 48mE75
AA 2717American Airlines09:2913:052h 36m319
UA 2804United Airlines11:0014:342h 34m7M8
AA 4741American Airlines13:1016:542h 44mE75
UA 3516United Airlines14:0017:422h 42mE7W
UA 3518United Airlines14:1017:542h 44mE7W
UA 1401United Airlines17:5021:232h 33m7M8
AA 4504American Airlines19:5923:472h 48mE75
AA 2717American Airlines09:2913:052h 36m319
UA 2804United Airlines11:0014:342h 34m7M8
AA 4741American Airlines13:1016:542h 44mE75
UA 3516United Airlines14:0017:422h 42mE7W
UA 3518United Airlines14:1017:542h 44mE7W
UA 1401United Airlines17:5021:232h 33m7M8
AA 4504American Airlines19:5923:472h 48mE75
AA 2717American Airlines09:2913:052h 36m319
UA 2804United Airlines11:0014:342h 34m7M8
AA 4741American Airlines13:1016:542h 44mE75
UA 3516United Airlines14:0017:422h 42mE7W
UA 3518United Airlines14:1017:542h 44mE7W
UA 1401United Airlines17:5021:232h 33m7M8
AA 4504American Airlines19:5923:472h 48mE75
AA 2717American Airlines09:2913:052h 36m319
UA 2804United Airlines11:0014:342h 34m7M8
AA 4741American Airlines13:1016:542h 44mE75
UA 3516United Airlines14:0017:422h 42mE7W
UA 3518United Airlines14:1017:542h 44mE7W
UA 1401United Airlines17:5021:232h 33m7M8
AA 4504American Airlines19:5923:472h 48mE75
AA 2717American Airlines09:2913:052h 36m319
UA 2804United Airlines11:0014:342h 34m7M8
AA 4741American Airlines13:1016:542h 44mE75
UA 3516United Airlines14:0017:422h 42mE7W
UA 3518United Airlines14:1017:542h 44mE7W

Showing the first 40 of 49 scheduled ORD to PWM departures across the next 7 days with service. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every ORD to PWM date on the interactive map

Confirmed upgrade & award space on ORD to PWM departures

2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for Chicago to South Portland Gardens to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each ORD 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 ORD to PWM on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Chicago to South Portland Gardens nonstop

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

See ORD to PWM on the interactive map →

Frequently asked questions about ORD to PWM

How far is South Portland Gardens from Chicago?
ORD to PWM covers about 898 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from ORD to PWM?
United Airlines and American Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines.
How many flights a week are there from ORD to PWM?
About 57 nonstop flights a week run between Chicago and South Portland Gardens in the current schedule, operated by United Airlines and American Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from ORD to PWM depart?
Scheduled ORD to PWM nonstops in the next 7 days with service leave between 09:29 and 19:59, local time at Chicago. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on ORD to PWM?
Open the ORD to PWM route on the interactive map or the matrix to see confirmed upgrade and award space by date on American Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss ORD to PWM upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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