AA 3742 Chicago to St. Louis Flight Status

American Airlines Flight AA3742 from Chicago O'Hare International Airport ORD to St. Louis Lambert International Airport STL is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on February 11th, 2026.
Check the table below for AA3742's most recent flight history:

AA 3742 Flight Status & Schedule

Date Departure Arrival Status
Feb 11 20:13 20:58
Landed
Track >
Feb 10 20:07 20:55
Landed
Track >
Feb 09 20:29 21:18
Landed
Track >
Feb 08 20:26 21:12
Landed
Track >
Feb 06 20:23 21:04
Landed
Track >

American Airlines AA 3742 Chicago to St. Louis Flight Information

American Airlines Flight AA3742 connects Chicago, United States to St. Louis, United States, taking off from Chicago O'Hare International Airport ORD and landing at St. Louis Lambert International Airport STL.

How long is the AA3742 flight from Chicago to St. Louis?

The average flight time from Chicago to St. Louis is 45 minutes. The flight distance is 415 km / 258 miles and the average flight speed is 528 km/h / 328 mph.

What is the On-Time Performance (OTP) of American Airlines Flight AA3742 Chicago to St. Louis?

The Airportia On-Time Performance Rating for American Airlines Flight AA3742 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AA3742 arriving at?

Flight AA3742 arrives at St. Louis Lambert International Airport (STL) Terminal 1.

When was the latest AA3742 flight?

The latest flight took off on Thursday, February 12th, 2026 with the flight status being Landed on 20:58.

How else can the flight AA3742 be referenced as?

This American Airlines flight can also be referenced as AAL3742, AA 3742, AAL 3742.

How often is flight AA3742 delayed?

On average, 30% of all AA3742 flights are delayed. The average delay is 24 minutes.

Can I get compensation for my delayed or cancelled AA3742 flight or baggage issues?

If your AA3742 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our AA3742 Flight Tracker above for more details.

AA3742 and Chicago ORD to St. Louis STL Flights

Flight AA3742 is code-shared by 3 airlines using the flight numbers BA5335, QR9553, RJ7351

Other flights departing from Chicago ORD: AA4570, UA3750, AA362, UA2243

Other flights arriving at St. Louis STL: WN1110, UA1706, WN1407, UA4185

All flights connecting Chicago ORD to St. Louis STL.

AA3742 American Airlines Flight: Chicago to St. Louis Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.