United Airlines UA4576 Flight Status
Based on Trip.com’s real-time data, the UA4576 flight operated by United Airlines on Sep 21, 2026 is scheduled to fly from Chicago (ORD) to St. Louis (STL). The flight is expected to depart at 21:30 and land at 22:17 .
Mon, Sep 21
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Scheduled
Your flight will depart on time.
1h 29m
Check-in Counter
--
Boarding Gate
F16
Arrival Gate
A14
Baggage
6
Information provided by VariFlight For the latest updates, please refer to airport announcements or consult your airline. You can also explore more flights from Chicago to St. Louis or track other flights with our flight status tracker.
UA4576 Aircraft Details
According to Trip.com real-time data, the UA4576 flight flying from Chicago to St. Louis on 9/22/2026 is operated by the aircraft model Bombardier CRJ-550. This aircraft has been in service for 22y. The aircraft is equipped with 50 seats.
Bombardier CRJ-550
Punctuality (Departure)
27%
Punctuality (Arrival)
73%
Late on average
47 minutes
Age
22y
Seats
50
Distance
--
Economy
First
Premium Economy
Onboard Amenities
None
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seating Plan
79 cm
More legroom than on 29% of flights
44 cm
Seat width better than on 39% of flights
100°
Reclining Angle
--
Seat layout example
Onboard Amenities
None
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seating Plan
94 cm
Legroom
51 cm
Seat width better than on 13% of flights
120°
Reclining Angle
--
Seat layout example
Onboard Amenities
None
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seating Plan
86 cm
More legroom than on 11% of flights
44 cm
Seat width better than on 31% of flights
100°
Reclining Angle
--
Seat layout example
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Flight History for UA4576
Check more records from Trip.com about UA4576 before and after today
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Sep 14 | Chicago (ORD) | St. Louis (STL) | CRJ7 | 22:27 | 23:10 | Arrived |
| Wed, Sep 16 | Chicago (ORD) | St. Louis (STL) | CRJ7 | 22:02 | 22:51 | Arrived |
| Thu, Sep 17 | Chicago (ORD) | St. Louis (STL) | CRJ7 | 23:01 | 00:07 | Arrived |
| Fri, Sep 18 | Chicago (ORD) | St. Louis (STL) | CRJ7 | 21:55 | 22:40 | Arrived |
| Sat, Sep 19 | Chicago (ORD) | St. Louis (STL) | CRJ7 | 00:10 | 01:00 | Arrived |
| Sun, Sep 20 | Chicago (ORD) | St. Louis (STL) | CRJ7 | 23:09 | 00:01 | Arrived |
| Mon, Sep 21 | Chicago (ORD) | St. Louis (STL) | CRJ7 | 21:30 | 22:17 | Scheduled |
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UA4576 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA4576 is 27% (Late on average 1 hour31 minutes), and the on-time arrival rate is 73% (Late on average 47 minutes).
On-Time Departures
Punctuality
27%
Late on average 1 hour31 minutes
Early
0%
On time
27%
30 mins late
40%
60 mins late
13%
90 mins late
20%
Cancelled
0%
On-Time Arrivals
Punctuality
73%
Late on average 47 minutes
Early
47%
On time
27%
30 mins late
7%
60 mins late
10%
90 mins late
10%
Cancelled
0%
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Frequently Asked Questions
What is the current status of flight ua4576?
Flight ua4576 has not departed yet and is currently on schedule. Scheduled departure 21:30, arrival 22:59 (updated Sep 22, 2026).Is flight ua4576 on time today?
Flight ua4576 has not departed yet and is currently on schedule. Scheduled departure is 21:30, with arrival at 22:59. Recheck gate and timing before you head to the airport.Has flight ua4576 departed yet? What is the departure time?
Flight ua4576 is scheduled to depart at 21:30. The latest actual or estimated departure time is 21:30, and the current status is Scheduled (updated Sep 22, 2026).When is flight ua4576 scheduled to arrive?
Flight ua4576 is scheduled to arrive at 22:59. The latest estimated or actual arrival time is 22:17. Status is Scheduled as of Sep 22, 2026.What is the gate information for flight ua4576?
For flight ua4576, the departure terminal is T2 and the boarding gate is F16. Gate assignments can change at short notice—confirm on airport screens before heading to security.What is the baggage carousel number for flight ua4576?
After arrival, baggage for flight ua4576 is expected at carousel 6 in terminal T1. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight ua4576 fly?
Flight ua4576 is operated by United Airlines from Chicago (ORD) to St. Louis (STL). Typical flight time is about 1 hour29 minutes; operating days may include Tuesday.How can I check real-time status for flight ua4576?
Track flight ua4576 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight ua4576 is delayed or canceled, what should I do?
If ua4576 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 22, 2026). Contact United Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ua4576 departed from Chicago?
Flight ua4576 has not departed from Chicago (ORD) yet and is currently on schedule for 21:30.
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