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UA 684 Chicago to St. Louis Flight Status

United Airlines Flight UA684 from Chicago O'Hare International Airport ORD to St. Louis Lambert International Airport STL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on March 28th, 2026.
Check the table below for UA684's most recent flight history:

UA 684 Flight Status & Schedule

Date Departure Arrival Status
Mar 28 19:48 20:38
Landed
Track >
Mar 27 20:25 21:12
Landed
Track >
Mar 26 21:20 22:09
Delayed
Track >
Mar 25 20:46 21:31
Landed Late
Track >
Mar 24 20:43 21:29
Landed Late
Track >

United Airlines UA 684 Chicago to St. Louis Flight Information

United Airlines Flight UA684 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 UA684 flight from Chicago to St. Louis?

The average flight time from Chicago to St. Louis is 46 minutes. The flight distance is 415 km / 258 miles and the average flight speed is 543 km/h / 337 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA684 Chicago to St. Louis?

The Airportia On-Time Performance Rating for United Airlines Flight UA684 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA684 arriving at?

Flight UA684 arrives at St. Louis Lambert International Airport (STL) Terminal 1.

When was the latest UA684 flight?

The latest flight took off on Sunday, March 29th, 2026 with the flight status being Landed on 20:38.

How else can the flight UA684 be referenced as?

This United Airlines flight can also be referenced as UAL684, UA0684, UA 684, UAL 684.

How often is flight UA684 delayed?

On average, 50% of all UA684 flights are delayed. The average delay is 40 minutes.

Can I get compensation for my delayed or cancelled UA684 flight or baggage issues?

If your UA684 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 UA684 Flight Tracker above for more details.

UA684 and Chicago ORD to St. Louis STL Flights

Flight UA684 is code-shared by 4 airlines using the flight numbers AC4914, EK6308, NZ2895, TK9565

Other flights departing from Chicago ORD: AA4002, UA481, UA3650, UA6050

Other flights arriving at St. Louis STL: AA5269, WN4753, AA3573, WN2878

All flights connecting Chicago ORD to St. Louis STL.

UA684 United 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.