Chicago to St. Louis (ORD-STL): nonstop upgrade & award space

United Airlines and American Airlines fly nonstop between Chicago (ORD) and St. Louis (STL), roughly 143 times a week. The timetable below shows the nonstop scheduled at 1h 19m to 1h 37m 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 . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

Updated .

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143
Flights a week, 4-week average
1h 19m to 1h 37m
Scheduled flight time
258 mi
Nonstop distance
Free
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Chicago to St. Louis flight schedule

Scheduled nonstop departures for ORD to STL 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.

Schedule data dated .

Scheduled nonstop departures from Chicago (ORD) to St. Louis (STL)
Date Flight Airline Departs ORD Arrives STL Duration Aircraft
UA 4613United Airlines08:4010:121h 32mCR5
AA 2208American Airlines09:2910:501h 21mAirbus A319
UA 1044United Airlines10:4012:131h 33mBoeing 737-700
AA 6468American Airlines11:0512:351h 30mBombardier CRJ-700
UA 5696United Airlines12:4514:171h 32mEmbraer E175
UA 2000United Airlines14:1215:431h 31mAirbus A319
AA 3620American Airlines15:2816:531h 25mEmbraer E175
UA 4416United Airlines15:3517:011h 26mCR5
AA 6282American Airlines16:4018:041h 24mBombardier CRJ-700
UA 4518United Airlines17:3019:011h 31mCR5
UA 4412United Airlines18:1019:411h 31mCR5
AA 2444American Airlines19:3420:571h 23mBoeing 737-800
UA 1625United Airlines19:5021:211h 31mBoeing 737-800
UA 4576United Airlines21:3022:591h 29mCR5
AA 3069American Airlines23:0000:191h 19mAirbus A319
UA 4613United Airlines08:4010:121h 32mCR5
AA 2208American Airlines09:2910:501h 21mAirbus A319
UA 5300United Airlines10:4012:151h 35mEmbraer E175
AA 6468American Airlines11:0512:351h 30mBombardier CRJ-700
UA 5696United Airlines12:4514:161h 31mCR5
UA 2000United Airlines14:1215:431h 31mAirbus A319
AA 3620American Airlines15:2616:511h 25mEmbraer E175
UA 4416United Airlines16:1017:411h 31mCR5
AA 6282American Airlines16:4018:041h 24mBombardier CRJ-700
UA 4518United Airlines17:3019:011h 31mCR5
UA 4412United Airlines18:1019:411h 31mCR5
AA 2444American Airlines19:5021:131h 23mBoeing 737-800
UA 1625United Airlines19:5021:211h 31mBoeing 737-700
UA 4576United Airlines21:2922:581h 29mCR5
UA 4772United Airlines22:0023:311h 31mEmbraer E175
AA 3069American Airlines23:0000:191h 19mAirbus A319
UA 4613United Airlines08:4010:121h 32mCR5
UA 3556United Airlines08:5510:321h 37mEmbraer E175
AA 2208American Airlines09:3010:511h 21mAirbus A319
UA 2844United Airlines10:4512:101h 25mAirbus A319
UA 3495United Airlines10:5012:201h 30mEmbraer E175
AA 6468American Airlines11:3013:001h 30mBombardier CRJ-700
UA 2465United Airlines12:5514:181h 23mAirbus A319
UA 5790United Airlines12:5814:301h 32mEmbraer E175
UA 2000United Airlines14:1215:431h 31mAirbus A319

Showing the first 40 of 124 scheduled ORD to STL 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 ORD to STL date on the interactive map

Aircraft on the Chicago to St. Louis nonstop

In the schedule table on this page, United Airlines flies the Bombardier CRJ, the Embraer E175, the Airbus A319, the Boeing 737-700, and the Boeing 737-800, and American Airlines flies the Airbus A319, the Bombardier CRJ-700, the Embraer E175, and the Boeing 737-800. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure.

Confirmed upgrade & award space on ORD to STL departures

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

Airlines flying Chicago to St. Louis nonstop

Carriers operating ORD to STL nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date.

See ORD to STL on the interactive map →

Frequently asked questions about ORD to STL

How long is the flight from Chicago (ORD) to St. Louis (STL)?
Scheduled flight times from Chicago (ORD) to St. Louis (STL) run from 1h 19m to 1h 37m 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 ORD to STL?
United Airlines and American Airlines fly ORD to STL nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines.
How many flights a week are there from ORD to STL?
About 143 nonstop flights a week run between Chicago (ORD) and St. Louis (STL) 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 ORD to STL depart?
Scheduled ORD to STL nonstops in the next 7 days with service leave between 08:40 and 23:00, local time at Chicago. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Which flights operate ORD to STL nonstop?
The schedule table on this page lists 22 flight numbers for ORD to STL nonstops, including UA 2000, UA 4416, UA 4613, and UA 5696 on United Airlines, and AA 2208, AA 3620, AA 6282, and AA 6468 on American Airlines. The table lists each departure by date with its times and aircraft.
How do I check upgrade or award availability on ORD to STL?
Open the ORD to STL 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 STL 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.

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