Chicago to Athens (ORD-ATH): nonstop upgrade & award space

American Airlines and United Airlines fly nonstop between Chicago (ORD) and Athens (ATH), roughly 14 times a week. American Airlines carries most of this long-haul schedule, so one carrier's release pattern decides when premium space appears, and it is rarely all at once. 2LNR tracks confirmed upgrade and award space on American Airlines, on every ORD to ATH 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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14
Nonstop flights a week
5,450 mi
Nonstop distance
Free
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Chicago to Athens flight schedule

Scheduled nonstop departures for ORD to ATH, 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 Athens (ATH)
Date Flight Airline Departs ORD Arrives ATH Duration Aircraft
UA 422United Airlines16:2010:3510h 15m781
AA 160American Airlines16:4511:1010h 25m788
UA 422United Airlines16:2010:3510h 15m781
AA 160American Airlines17:1511:3510h 20m788
UA 422United Airlines16:2010:3510h 15m781
AA 160American Airlines17:0011:2010h 20m788
UA 422United Airlines16:2010:3510h 15m781
AA 160American Airlines17:1511:3510h 20m788
UA 422United Airlines16:2010:3510h 15m781
AA 160American Airlines17:2011:4010h 20m788
UA 422United Airlines16:2010:3510h 15m781
AA 160American Airlines17:1511:3510h 20m788
UA 422United Airlines16:2010:3510h 15m781
AA 160American Airlines17:1511:3510h 20m788

Showing all 14 scheduled ORD to ATH 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 ATH date on the interactive map

Confirmed upgrade & award space on ORD to ATH departures

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

Airlines flying Chicago to Athens nonstop

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

See ORD to ATH on the interactive map →

Frequently asked questions about ORD to ATH

How far is Athens from Chicago?
ORD to ATH covers about 5,450 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 ATH?
American Airlines and United 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 ATH?
About 14 nonstop flights a week run between Chicago and Athens in the current schedule, operated by American Airlines and United Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from ORD to ATH depart?
Scheduled ORD to ATH nonstops in the next 7 days with service leave between 16:20 and 17:20, 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 ATH?
Open the ORD to ATH 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 ATH 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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