American Airlines AA4121 Flight status
According to Trip.com real-time data, the AA4121 flight operated by American Airlines on Oct 28, 2026 is scheduled to fly from Green Bay (GRB) to Chicago (ORD). The flight is expected to depart at 06:00 and arrive at 06:41 .
Tue, Oct 27
Wed, Oct 28
Thu, Oct 29
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Arrived
The flight has arrived 3m early
1h 27m
Check-in Counter
--
Boarding Gate
A2
Arrival Gate
L24
Baggage
32
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Scheduled
Your flight will depart on time.
1h 27m
Check-in Counter
--
Boarding Gate
A2
Arrival Gate
L6A
Baggage
--
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American Airlines From US$254
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Scheduled
Your flight will depart on time.
1h 27m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
Need a flight from Green Bay to Chicago?
American Airlines From US$254
Search flights Information provided by VariFlight For real-time updates, please check airport displays or contact your airline.
Track the Previous Flight Status: Scheduled
AA3736
|
Chicago (CHI)
Green Bay (GRB)
Green Bay (GRB)
Scheduled: 00:12
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AA4121 Aircraft Details
According to Trip.com real-time data, the AA4121 flight from Green Bay to Chicago on 10/28/2026 is operated using the aircraft model Embraer 175. This aircraft has been in service for 1y, 8m. The aircraft has 76 seats.
Embraer 175
Punctuality (Departure)
93
%
Punctuality (Arrival)
100
%
Early on average
37 minutes
Age
1y, 8m
Seats
76
Flight Distance
--
Economy
Premium Economy
First
In-Flight Services
None
Inflight entertainment is available
Wi-Fi is available
USB port and power outlet
Seat Information
76 cm
Legroom
46 cm
Seat width better than on 80% of flights
96°
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
Entertainment available, please bring your own device
Wi-Fi is available
No power outlets are available
Seat Information
86 cm
Legroom
46 cm
Seat width better than on 80% of flights
96°
Reclining Angle
--
Seat layout example
In-Flight Services
Snacks
Inflight entertainment is available
Wi-Fi is available
USB port and power outlet
Seat Information
94 cm
Legroom
51 cm
Seat width better than on 21% of flights
102°
Reclining Angle
1-2
Seat layout example
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Flight History for AA4121
Trip.com historical records show that the last AA4121 flight departed on Tue, Oct 27 from GRB at approximately 06:37. This flight is expected to arrrive in ORD at 07:24.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Oct 23 | Green Bay (GRB) | Chicago (ORD) | E170 | 06:04 | 06:44 | Arrived |
| Sat, Oct 24 | Green Bay (GRB) | Chicago (ORD) | E75L | 06:11 | 06:51 | Arrived |
| Sun, Oct 25 | Green Bay (GRB) | Chicago (ORD) | E75L | 06:37 | 07:20 | Arrived |
| Mon, Oct 26 | Green Bay (GRB) | Chicago (ORD) | E75L | 06:10 | 06:51 | Arrived |
| Tue, Oct 27 | Green Bay (GRB) | Chicago (ORD) | E75L | 06:37 | 07:24 | Arrived |
| Wed, Oct 28 | Green Bay (GRB) | Chicago (ORD) | E75L | 06:00 | 06:41 | Scheduled |
| Thu, Oct 29 | Green Bay (GRB) | Chicago (ORD) | E75L | 06:00 | 07:27 | Scheduled |
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AA4121 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of AA4121 is 93% (Late on average 10 minutes), and the on-time arrival rate is 100% (Early on average 37 minutes).
On-Time Departures
Punctuality
93
%
Late on average
10 minutes
Early
7
%
On time
87
%
30 mins late
7
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
100
%
Early on average
37 minutes
Early
100
%
On time
0
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight aa4121?
Flight aa4121 has not departed yet and is currently on schedule. Scheduled departure 06:00, arrival 07:27 (updated Oct 28, 2026).Is flight aa4121 on time today?
Flight aa4121 has not departed yet and is currently on schedule. Scheduled departure is 06:00, with arrival at 07:27. Recheck gate and timing before you head to the airport.Has flight aa4121 departed yet? What is the departure time?
Flight aa4121 is scheduled to depart at 06:00. The latest actual or estimated departure time is 06:00, and the current status is Scheduled (updated Oct 28, 2026).When is flight aa4121 scheduled to arrive?
Flight aa4121 is scheduled to arrive at 07:27. The latest estimated or actual arrival time is 06:41. Status is Scheduled as of Oct 28, 2026.What route does flight aa4121 fly?
Flight aa4121 is operated by American Airlines from Green Bay (GRB) to Chicago (ORD). Typical flight time is about 1 hour 27 minutes; operating days may include Wednesday.How can I check real-time status for flight aa4121?
Track flight aa4121 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 aa4121 is delayed or canceled, what should I do?
If aa4121 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 28, 2026). Contact American Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight aa4121 departed from Green Bay?
Flight aa4121 has not departed from Green Bay (GRB) yet and is currently on schedule for 06:00.What is the seat configuration for flight aa4121?
Flight aa4121 usually flies a Embraer 175 with seat layout 2-2. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Arrival Info: Chicago Weather & Current Time
Mostly cloudy
|
13°C - 20°C
Weather forecast for your arrival day
0 hour time difference
Time on arrival: Green Bay 06:41
|
Chicago 06:41
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