Chicago to Nantucket (ORD-ACK): nonstop upgrade & award space

American Airlines and United Airlines fly nonstop from Chicago (ORD) to Nantucket (ACK) just once a week. With so few departures, each one carries the only premium seats on the route that day. 2LNR tracks confirmed upgrade and award space on American Airlines, on every ORD to ACK 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.

1
Nonstop flights a week
921 mi
Nonstop distance
Free
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Chicago to Nantucket flight schedule

Scheduled nonstop departures for ORD to ACK, 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 Nantucket (ACK)
Date Flight Airline Departs ORD Arrives ACK Duration Aircraft
UA 5454United Airlines11:5915:492h 50mE7W
AA 4169American Airlines13:5517:352h 40mE75
AA 4169American Airlines13:5517:352h 40mE75
AA 4169American Airlines13:5517:352h 40mE75
AA 4169American Airlines13:5517:352h 40mE75
AA 4169American Airlines13:5517:352h 40mE75
AA 4169American Airlines13:5517:352h 40mE75

Showing all 7 scheduled ORD to ACK departures across the next 7 days with service. Later dates are 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 ACK date on the interactive map

Confirmed upgrade & award space on ORD to ACK departures

2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for Chicago to Nantucket 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 ACK 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 ACK on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Chicago to Nantucket nonstop

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

Frequently asked questions about ORD to ACK

How far is Nantucket from Chicago?
ORD to ACK covers about 921 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 ACK?
American Airlines and United Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines.
How often does ORD to ACK operate?
The nonstop currently runs once a week. Thin schedules like this change by season, and an alert will catch anything added.
What time do flights from ORD to ACK depart?
Scheduled ORD to ACK nonstops in the next 7 days with service leave between 11:59 and 13:55, 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 ACK?
Open the ORD to ACK 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 ACK 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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