--- title: "Athens (ATH) to Chicago (ORD) flights: who flies it" description: "American Airlines and United Airlines fly nonstop from ATH to ORD, about 8 flights a week. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/ath-ord" url: "https://2lnr.com/routes/ath-ord.md" date_modified: "2026-10-18T05:10:47Z" --- # Athens to Chicago (ATH-ORD): nonstop upgrade & award space American Airlines and United Airlines fly the ATH to ORD nonstop about 8 times a week. The timetable below shows the nonstop scheduled at 10h 40m to 11h 40m for the 5,450 miles. 2LNR checks confirmed upgrade and award space on American Airlines flights on this route, so you can see which departures have space before you book. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See ATH to ORD on the interactive map [Get started free](https://2lnr.com/login) 8 Flights a week, 4-week average 10h 40m to 11h 40m Scheduled flight time 5,450 mi Nonstop distance Free To get started ## Athens to Chicago flight schedule Scheduled nonstop departures for ATH to ORD starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Athens (ATH) to Chicago (ORD) | Date | Flight | Airline | Departs ATH | Arrives ORD | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | AA 161 | American Airlines | 10:45 | 14:15 | 11h 30m | [Boeing 787-8 Dreamliner](https://2lnr.com/seatmaps/aa/787-8.md) | | Fri, Oct 23 | UA 423 | United Airlines | 12:55 | 16:20 | 11h 25m | [Boeing 787-10 Dreamliner](https://2lnr.com/seatmaps/ua/787-10.md) | | Sat, Oct 24 | AA 161 | American Airlines | 10:45 | 14:25 | 11h 40m | Boeing 787-8 Dreamliner | | Sat, Oct 24 | UA 423 | United Airlines | 12:35 | 16:00 | 11h 25m | Boeing 787-10 Dreamliner | | Sun, Oct 25 | AA 161 | American Airlines | 10:45 | 14:25 | 10h 40m | Boeing 787-8 Dreamliner | | Mon, Oct 26 | AA 161 | American Airlines | 10:45 | 14:25 | 10h 40m | Boeing 787-8 Dreamliner | | Tue, Oct 27 | AA 161 | American Airlines | 10:45 | 14:25 | 10h 40m | Boeing 787-8 Dreamliner | | Wed, Oct 28 | AA 161 | American Airlines | 10:45 | 14:25 | 10h 40m | Boeing 787-8 Dreamliner | | Thu, Oct 29 | AA 161 | American Airlines | 10:45 | 14:25 | 10h 40m | Boeing 787-8 Dreamliner | Showing all 9 scheduled ATH to ORD departures across 7 days with service, starting October 23, 2026. 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 hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every ATH to ORD date on the interactive map ## Aircraft on the Athens to Chicago nonstop In the schedule table on this page, American Airlines flies the [Boeing 787-8 Dreamliner](https://2lnr.com/seatmaps/aa/787-8.md), and United Airlines flies the [Boeing 787-10 Dreamliner](https://2lnr.com/seatmaps/ua/787-10.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on ATH to ORD departures 2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for Athens to Chicago to see which departures have space, the next 14 days free on every product and the full horizon on Pro. American Airlines award space was open on 3 of the 6 Athens to Chicago departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Confirmed upgrade or award seats by date on the ATH to ORD departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See ATH to ORD on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Athens to Chicago nonstop Carriers operating ATH to ORD nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [American Airlines (AA) route map](https://2lnr.com/routes/airlines/aa.md)\ [The aircraft AA flies](https://2lnr.com/seatmaps/aa.md) - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) See ATH to ORD on the interactive map → ## Frequently asked questions about ATH to ORD **How long is the flight from Athens (ATH) to Chicago (ORD)?** Scheduled flight times from Athens (ATH) to Chicago (ORD) run from 10h 40m to 11h 40m across the departures in the schedule table on this page. The nonstop covers about 5,450 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from ATH to ORD?** American Airlines and United Airlines fly ATH to ORD nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines. **How many flights a week are there from ATH to ORD?** About 8 nonstop flights a week run between Athens (ATH) and Chicago (ORD) 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 ATH to ORD depart?** Scheduled ATH to ORD nonstops in the next 7 days with service leave between 10:45 and 12:55, local time at Athens. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate ATH to ORD nonstop?** In the schedule table on this page, ATH to ORD nonstops fly as AA 161 on American Airlines and UA 423 on United Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on ATH to ORD?** Open the ATH to ORD 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. Flying the other way? See [ORD to ATH upgrade and award space](https://2lnr.com/routes/ord-ath.md). Award seats rather than schedules? See [American Airlines award availability](https://2lnr.com/awards/aa.md). Looking beyond this route? See [every route from Athens (ATH)](https://2lnr.com/routes/ath.md), or [every route from Chicago (ORD)](https://2lnr.com/routes/ord.md). - [How American upgrades clear](https://2lnr.com/about/aa/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss ATH to ORD upgrade or award space See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)