--- title: "PWM to ORD flights: who flies it, and when" description: "American Airlines and United Airlines fly nonstop from PWM to ORD, about 37 flights a week. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/pwm-ord" url: "https://2lnr.com/routes/pwm-ord.md" date_modified: "2026-10-18T05:10:47Z" --- # South Portland Gardens to Chicago (PWM-ORD): nonstop upgrade & award space United Airlines and American Airlines fly nonstop between South Portland Gardens (PWM) and Chicago (ORD), roughly 37 times a week. The timetable below shows the nonstop scheduled at 2h 56m to 3h 10m for the 898 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 24, 2026. See PWM to ORD on the interactive map [Get started free](https://2lnr.com/login) 37 Flights a week, 4-week average 2h 56m to 3h 10m Scheduled flight time 898 mi Nonstop distance Free To get started ## South Portland Gardens to Chicago flight schedule Scheduled nonstop departures for PWM 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 South Portland Gardens (PWM) to Chicago (ORD) | Date | Flight | Airline | Departs PWM | Arrives ORD | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | UA 2170 | United Airlines | 06:00 | 07:57 | 2h 57m | [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) | | Fri, Oct 23 | AA 4499 | American Airlines | 07:00 | 09:04 | 3h 4m | [Embraer E175](https://2lnr.com/seatmaps/aa/e175.md) | | Fri, Oct 23 | UA 3688 | United Airlines | 07:58 | 10:00 | 3h 2m | [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) | | Fri, Oct 23 | UA 6046 | United Airlines | 11:35 | 13:37 | 3h 2m | Embraer E175 | | Fri, Oct 23 | AA 4741 | American Airlines | 13:05 | 15:07 | 3h 2m | Embraer E175 | | Fri, Oct 23 | UA 1828 | United Airlines | 17:08 | 19:05 | 2h 57m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md) | | Fri, Oct 23 | AA 4478 | American Airlines | 17:45 | 19:55 | 3h 10m | Embraer E175 | | Sat, Oct 24 | UA 2170 | United Airlines | 06:00 | 07:57 | 2h 57m | Boeing 737-800 | | Sat, Oct 24 | AA 4499 | American Airlines | 07:00 | 09:04 | 3h 4m | Embraer E175 | | Sat, Oct 24 | UA 3688 | United Airlines | 07:58 | 10:00 | 3h 2m | Embraer E175 | | Sat, Oct 24 | UA 6046 | United Airlines | 11:35 | 13:37 | 3h 2m | Embraer E175 | | Sat, Oct 24 | AA 4741 | American Airlines | 13:05 | 15:07 | 3h 2m | Embraer E175 | | Sat, Oct 24 | AA 6437 | American Airlines | 16:04 | 18:00 | 2h 56m | [Bombardier CRJ-700](https://2lnr.com/seatmaps/aa/crj-700.md) | | Sat, Oct 24 | UA 1828 | United Airlines | 17:08 | 19:05 | 2h 57m | Boeing 737 MAX 9 | | Sat, Oct 24 | AA 4478 | American Airlines | 17:45 | 19:55 | 3h 10m | Embraer E175 | | Sun, Oct 25 | UA 3626 | United Airlines | 06:00 | 08:06 | 3h 6m | Embraer E175 | | Sun, Oct 25 | AA 4499 | American Airlines | 07:00 | 09:04 | 3h 4m | Embraer E175 | | Sun, Oct 25 | UA 646 | United Airlines | 08:29 | 10:29 | 3h | [Boeing 737-700](https://2lnr.com/seatmaps/ua/737-700.md) | | Sun, Oct 25 | UA 1069 | United Airlines | 08:47 | 10:47 | 3h | Boeing 737-700 | | Sun, Oct 25 | UA 1363 | United Airlines | 09:45 | 11:42 | 2h 57m | Boeing 737-700 | | Sun, Oct 25 | AA 4741 | American Airlines | 13:05 | 15:07 | 3h 2m | Embraer E175 | | Sun, Oct 25 | UA 1828 | United Airlines | 17:08 | 19:05 | 2h 57m | Boeing 737 MAX 9 | | Sun, Oct 25 | AA 4478 | American Airlines | 17:45 | 19:55 | 3h 10m | Embraer E175 | | Mon, Oct 26 | AA 4499 | American Airlines | 07:00 | 09:04 | 3h 4m | Embraer E175 | | Mon, Oct 26 | UA 646 | United Airlines | 08:29 | 10:29 | 3h | Boeing 737-700 | | Mon, Oct 26 | UA 1363 | United Airlines | 09:45 | 11:42 | 2h 57m | Boeing 737-700 | | Mon, Oct 26 | AA 4741 | American Airlines | 13:05 | 15:07 | 3h 2m | Embraer E175 | | Mon, Oct 26 | UA 1828 | United Airlines | 17:08 | 19:05 | 2h 57m | Boeing 737 MAX 9 | | Mon, Oct 26 | AA 4478 | American Airlines | 17:45 | 19:55 | 3h 10m | Embraer E175 | | Tue, Oct 27 | AA 4499 | American Airlines | 07:00 | 09:04 | 3h 4m | Embraer E175 | | Tue, Oct 27 | UA 646 | United Airlines | 08:32 | 10:32 | 3h | Boeing 737-700 | | Tue, Oct 27 | UA 1363 | United Airlines | 09:45 | 11:42 | 2h 57m | Boeing 737-700 | | Tue, Oct 27 | AA 4741 | American Airlines | 13:05 | 15:07 | 3h 2m | Embraer E175 | | Tue, Oct 27 | UA 1828 | United Airlines | 17:08 | 19:05 | 2h 57m | Boeing 737 MAX 9 | | Tue, Oct 27 | AA 4478 | American Airlines | 17:45 | 19:55 | 3h 10m | Embraer E175 | | Wed, Oct 28 | AA 4499 | American Airlines | 07:00 | 09:04 | 3h 4m | Embraer E175 | | Wed, Oct 28 | UA 646 | United Airlines | 08:32 | 10:32 | 3h | Boeing 737-700 | | Wed, Oct 28 | UA 1363 | United Airlines | 09:45 | 11:42 | 2h 57m | Boeing 737-700 | | Wed, Oct 28 | AA 4741 | American Airlines | 13:05 | 15:07 | 3h 2m | Embraer E175 | | Wed, Oct 28 | UA 1828 | United Airlines | 17:08 | 19:05 | 2h 57m | Boeing 737 MAX 9 | Showing the first 40 of 47 scheduled PWM to ORD departures across 7 days with service, starting October 23, 2026. Every remaining date is 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 PWM to ORD date on the interactive map ## Aircraft on the South Portland Gardens to Chicago nonstop In the schedule table on this page, United Airlines flies the [Boeing 737-700](https://2lnr.com/seatmaps/ua/737-700.md), the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md), the [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md), and the [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md), and American Airlines flies the [Embraer E175](https://2lnr.com/seatmaps/aa/e175.md) and the [Bombardier CRJ-700](https://2lnr.com/seatmaps/aa/crj-700.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on PWM to ORD departures 2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for South Portland Gardens 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 7 of the 14 South Portland Gardens 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 PWM 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 PWM to ORD on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying South Portland Gardens to Chicago nonstop Carriers operating PWM to ORD nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) - [American Airlines (AA) route map](https://2lnr.com/routes/airlines/aa.md)\ [The aircraft AA flies](https://2lnr.com/seatmaps/aa.md) See PWM to ORD on the interactive map → ## Frequently asked questions about PWM to ORD **How long is the flight from South Portland Gardens (PWM) to Chicago (ORD)?** Scheduled flight times from South Portland Gardens (PWM) to Chicago (ORD) run from 2h 56m to 3h 10m across the departures in the schedule table on this page. The nonstop covers about 898 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from PWM to ORD?** United Airlines and American Airlines fly PWM to ORD nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines. **How many flights a week are there from PWM to ORD?** About 37 nonstop flights a week run between South Portland Gardens (PWM) and Chicago (ORD) in the current schedule, operated by United Airlines and American Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from PWM to ORD depart?** Scheduled PWM to ORD nonstops in the next 7 days with service leave between 06:00 and 17:45, local time at South Portland Gardens. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate PWM to ORD nonstop?** The schedule table on this page lists 12 flight numbers for PWM to ORD nonstops, including UA 646, UA 1363, UA 1828, UA 2170, and UA 3688 on United Airlines, and AA 4478, AA 4499, and AA 4741 on American Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on PWM to ORD?** Open the PWM 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 PWM upgrade and award space](https://2lnr.com/routes/ord-pwm.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 South Portland Gardens (PWM)](https://2lnr.com/routes/pwm.md), or [every route from Chicago (ORD)](https://2lnr.com/routes/ord.md). Nonstops to Chicago (ORD) from other airports within 150 miles of South Portland Gardens (PWM): - [Manchester (MHT) to Chicago (ORD)](https://2lnr.com/routes/mht-ord.md), 75 miles from PWM - [Boston (BOS) to Chicago (ORD)](https://2lnr.com/routes/bos-ord.md), 95 miles from PWM - [Bangor (BGR) to Chicago (ORD)](https://2lnr.com/routes/bgr-ord.md), 109 miles from PWM - [Hyannis (HYA) to Chicago (ORD)](https://2lnr.com/routes/hya-ord.md), 136 miles from PWM - [Providence (PVD) to Chicago (ORD)](https://2lnr.com/routes/pvd-ord.md), 144 miles from PWM Distances are great-circle between the airports, not driving distance. - [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 PWM 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)