--- title: "St. Louis (STL) to Chicago (ORD) flights: who flies it" description: "American Airlines and United Airlines fly nonstop from STL to ORD, about 149 flights a week. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/stl-ord" url: "https://2lnr.com/routes/stl-ord.md" date_modified: "2026-10-18T05:10:47Z" --- # St. Louis to Chicago (STL-ORD): nonstop upgrade & award space United Airlines and American Airlines fly nonstop between St. Louis (STL) and Chicago (ORD), roughly 149 times a week. The timetable below shows the nonstop scheduled at 1h 23m to 1h 38m for the 258 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 STL to ORD on the interactive map [Get started free](https://2lnr.com/login) 149 Flights a week, 4-week average 1h 23m to 1h 38m Scheduled flight time 258 mi Nonstop distance Free To get started ## St. Louis to Chicago flight schedule Scheduled nonstop departures for STL to ORD starting October 22, 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 St. Louis (STL) to Chicago (ORD) | Date | Flight | Airline | Departs STL | Arrives ORD | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | AA 1926 | American Airlines | 05:00 | 06:26 | 1h 26m | [Airbus A319](https://2lnr.com/seatmaps/aa/a319.md) | | Thu, Oct 22 | UA 4423 | United Airlines | 06:00 | 07:36 | 1h 36m | CR5 | | Thu, Oct 22 | AA 1997 | American Airlines | 07:29 | 09:00 | 1h 31m | [Boeing 737-800](https://2lnr.com/seatmaps/aa/737-800.md) | | Thu, Oct 22 | UA 2792 | United Airlines | 08:00 | 09:31 | 1h 31m | [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) | | Thu, Oct 22 | UA 4601 | United Airlines | 09:04 | 10:40 | 1h 36m | CR5 | | Thu, Oct 22 | UA 4517 | United Airlines | 10:27 | 11:59 | 1h 32m | CR5 | | Thu, Oct 22 | AA 2208 | American Airlines | 11:31 | 12:59 | 1h 28m | Airbus A319 | | Thu, Oct 22 | UA 4395 | United Airlines | 11:35 | 13:11 | 1h 36m | CR5 | | Thu, Oct 22 | AA 6352 | American Airlines | 13:06 | 14:39 | 1h 33m | [Bombardier CRJ-700](https://2lnr.com/seatmaps/aa/crj-700.md) | | Thu, Oct 22 | AA 6468 | American Airlines | 13:06 | 14:39 | 1h 33m | Bombardier CRJ-700 | | Thu, Oct 22 | UA 1920 | United Airlines | 13:29 | 15:00 | 1h 31m | [Boeing 737-700](https://2lnr.com/seatmaps/ua/737-700.md) | | Thu, Oct 22 | AA 6355 | American Airlines | 14:47 | 16:10 | 1h 23m | Bombardier CRJ-700 | | Thu, Oct 22 | UA 5332 | United Airlines | 15:11 | 16:46 | 1h 35m | [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) | | Thu, Oct 22 | AA 4259 | American Airlines | 17:27 | 19:05 | 1h 38m | [Embraer E175](https://2lnr.com/seatmaps/aa/e175.md) | | Thu, Oct 22 | UA 541 | United Airlines | 17:36 | 19:05 | 1h 29m | [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md) | | Thu, Oct 22 | UA 4616 | United Airlines | 19:01 | 20:30 | 1h 29m | CR5 | | Fri, Oct 23 | AA 1926 | American Airlines | 05:00 | 06:26 | 1h 26m | Airbus A319 | | Fri, Oct 23 | UA 4423 | United Airlines | 06:00 | 07:36 | 1h 36m | CR5 | | Fri, Oct 23 | AA 1997 | American Airlines | 07:29 | 09:00 | 1h 31m | Boeing 737-800 | | Fri, Oct 23 | UA 2792 | United Airlines | 08:00 | 09:31 | 1h 31m | Boeing 737-800 | | Fri, Oct 23 | UA 4601 | United Airlines | 09:04 | 10:40 | 1h 36m | CR5 | | Fri, Oct 23 | UA 4517 | United Airlines | 10:27 | 11:59 | 1h 32m | CR5 | | Fri, Oct 23 | AA 2208 | American Airlines | 11:31 | 12:59 | 1h 28m | Airbus A319 | | Fri, Oct 23 | UA 4395 | United Airlines | 11:35 | 13:11 | 1h 36m | CR5 | | Fri, Oct 23 | AA 6352 | American Airlines | 13:06 | 14:39 | 1h 33m | Bombardier CRJ-700 | | Fri, Oct 23 | AA 6468 | American Airlines | 13:06 | 14:39 | 1h 33m | Bombardier CRJ-700 | | Fri, Oct 23 | UA 1920 | United Airlines | 13:29 | 15:00 | 1h 31m | Boeing 737-700 | | Fri, Oct 23 | AA 6355 | American Airlines | 14:47 | 16:10 | 1h 23m | Bombardier CRJ-700 | | Fri, Oct 23 | UA 5332 | United Airlines | 15:11 | 16:46 | 1h 35m | Embraer E175 | | Fri, Oct 23 | AA 4259 | American Airlines | 17:27 | 19:05 | 1h 38m | Embraer E175 | | Fri, Oct 23 | UA 541 | United Airlines | 17:36 | 19:05 | 1h 29m | Airbus A319 | | Fri, Oct 23 | UA 4616 | United Airlines | 19:01 | 20:30 | 1h 29m | CR5 | | Sat, Oct 24 | AA 1926 | American Airlines | 05:00 | 06:26 | 1h 26m | Airbus A319 | | Sat, Oct 24 | UA 4423 | United Airlines | 06:00 | 07:36 | 1h 36m | CR5 | | Sat, Oct 24 | AA 1997 | American Airlines | 07:29 | 09:00 | 1h 31m | Boeing 737-800 | | Sat, Oct 24 | UA 2792 | United Airlines | 08:00 | 09:31 | 1h 31m | Boeing 737-800 | | Sat, Oct 24 | UA 4601 | United Airlines | 09:04 | 10:40 | 1h 36m | CR5 | | Sat, Oct 24 | UA 4517 | United Airlines | 10:27 | 11:59 | 1h 32m | CR5 | | Sat, Oct 24 | AA 2208 | American Airlines | 11:31 | 12:59 | 1h 28m | Airbus A319 | | Sat, Oct 24 | UA 4395 | United Airlines | 11:35 | 13:11 | 1h 36m | CR5 | Showing the first 40 of 139 scheduled STL to ORD departures across 7 days with service, starting October 22, 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 STL to ORD date on the interactive map ## Aircraft on the St. Louis to Chicago nonstop In the schedule table on this page, United Airlines flies the Bombardier CRJ, the [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md), the [Boeing 737-700](https://2lnr.com/seatmaps/ua/737-700.md), the [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md), and the [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md), and American Airlines flies the [Airbus A319](https://2lnr.com/seatmaps/aa/a319.md), the [Bombardier CRJ-700](https://2lnr.com/seatmaps/aa/crj-700.md), the [Boeing 737-800](https://2lnr.com/seatmaps/aa/737-800.md), and the [Embraer E175](https://2lnr.com/seatmaps/aa/e175.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on STL to ORD departures 2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for St. Louis 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 11 of the 14 St. Louis 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 STL 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 STL to ORD on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying St. Louis to Chicago nonstop Carriers operating STL 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 STL to ORD on the interactive map → ## Frequently asked questions about STL to ORD **How long is the flight from St. Louis (STL) to Chicago (ORD)?** Scheduled flight times from St. Louis (STL) to Chicago (ORD) run from 1h 23m to 1h 38m across the departures in the schedule table on this page. The nonstop covers about 258 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from STL to ORD?** United Airlines and American Airlines fly STL to ORD nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines. **How many flights a week are there from STL to ORD?** About 149 nonstop flights a week run between St. Louis (STL) 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 STL to ORD depart?** Scheduled STL to ORD nonstops in the next 7 days with service leave between 05:00 and 19:01, local time at St. Louis. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate STL to ORD nonstop?** The schedule table on this page lists 16 flight numbers for STL to ORD nonstops, including UA 2792, UA 4395, UA 4423, UA 4517, and UA 4601 on United Airlines, and AA 1926, AA 1997, and AA 2208 on American Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on STL to ORD?** Open the STL 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 STL upgrade and award space](https://2lnr.com/routes/ord-stl.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 St. Louis (STL)](https://2lnr.com/routes/stl.md), or [every route from Chicago (ORD)](https://2lnr.com/routes/ord.md). Nonstops to Chicago (ORD) from other airports within 150 miles of St. Louis (STL): - [Springfield (SPI) to Chicago (ORD)](https://2lnr.com/routes/spi-ord.md), 84 miles from STL - [Quincy (UIN) to Chicago (ORD)](https://2lnr.com/routes/uin-ord.md), 94 miles from STL - [Columbia (COU) to Chicago (ORD)](https://2lnr.com/routes/cou-ord.md), 100 miles from STL - [Marion (MWA) to Chicago (ORD)](https://2lnr.com/routes/mwa-ord.md), 101 miles from STL - [Decatur (DEC) to Chicago (ORD)](https://2lnr.com/routes/dec-ord.md), 110 miles from STL 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 STL 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)