Route guide

Nantucket to Chicago (ACK-ORD): Nonstop Upgrade & Award Space

United Airlines and American Airlines fly nonstop from Nantucket (ACK) to Chicago (ORD) just three times 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 all of them, so a rare opening doesn't slip past you.

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

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3
Nonstop flights a week
921 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every ACK to ORD 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 Nantucket to Chicago 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 ACK to ORD 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 ACK to ORD on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Nantucket to Chicago nonstop

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

  • United Airlines
  • American Airlines
See ACK to ORD on the interactive map →

Frequently asked questions about ACK to ORD

How far is Chicago from Nantucket?
ACK to ORD covers about 921 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from ACK to ORD?
United Airlines and American Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on both of them.
How often does ACK to ORD operate?
The nonstop currently runs three times a week. Thin schedules like this change by season, and an alert will catch anything added.
How do I check upgrade or award availability on ACK to ORD?
Open the ACK to ORD calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Nantucket to Chicago route, and 2LNR will notify you when space opens. It's free to start.

Never miss ACK to ORD upgrade or award space

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

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