Route guide

Atlanta to Chicago (ATL-MDW): Nonstop Upgrade & Award Space

Delta Air Lines, Frontier Airlines, and Southwest Airlines fly nonstop between Atlanta (ATL) and Chicago (MDW), roughly 46 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every ATL to MDW departure, so you know which flights have space before you book.

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

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46
Nonstop flights a week
591 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every ATL to MDW 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 Atlanta 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 ATL to MDW 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 ATL to MDW on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Atlanta to Chicago nonstop

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

  • Delta Air Lines
  • Frontier Airlines
  • Southwest Airlines
See ATL to MDW on the interactive map →

Frequently asked questions about ATL to MDW

How far is Chicago from Atlanta?
ATL to MDW covers about 591 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from ATL to MDW?
Delta Air Lines, Frontier Airlines, and Southwest Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on all three of them.
How many flights a week are there from ATL to MDW?
About 46 nonstop flights a week run between Atlanta and Chicago in the current schedule, operated by Delta Air Lines, Frontier Airlines, and 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 ATL to MDW?
Open the ATL to MDW calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Atlanta to Chicago route, and 2LNR will notify you when space opens. It's free to start.

Never miss ATL to MDW upgrade or award space

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